Study sets matching "math statistics chapter 2"

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Study sets matching "math statistics chapter 2"

Elementary Math Statistics Chapter 2
if data are discrete and have relative…
If data are discrete, but are many dif…
Classes
Lower Class limit
categories of data; observations (qualitative data)
Categories created with intervals of numbers
Categories of data
Small value within the class
if data are discrete and have relative…
categories of data; observations (qualitative data)
If data are discrete, but are many dif…
Categories created with intervals of numbers
22 terms
Statistics Chapter 2 Review
Bar Graph
Histogram
Frequency Histogram
Circle Graph (Pie Chart)
a graph with bars that are of uniform width and are evenly sp…
a graph with bars that represent a range of values on the hor…
a histogram that shows the ratio between class frequency and…
shows the total quantity divided into component parts using p…
Bar Graph
a graph with bars that are of uniform width and are evenly sp…
Histogram
a graph with bars that represent a range of values on the hor…
33 terms
Math 240 Elementary Statistics Chapter 2 Vocab
Classes
Frequency Distribution
Frequency
Lower Class Limit
Categories of data using intervals of numbers.
Table that shows the classes with a count of the number of en…
The number of data entries in the class.
Smallest value within the class.
Classes
Categories of data using intervals of numbers.
Frequency Distribution
Table that shows the classes with a count of the number of en…
Math 150 Statistics: Chapter 2 (p 119)
Raw data
Frequency distibution
Relative frequency
frequency / sum of all frequencies
Data obtained through observational studies or designed exper…
Distribution that lists each category of data and the number…
The proportion (or percent) of observations within a category
Formula of relative frequency
Raw data
Data obtained through observational studies or designed exper…
Frequency distibution
Distribution that lists each category of data and the number…
26 terms
Statistics Vocabulary Chapter 2
bar graph
categorical frequency distribution
class
class boundaries
represents the data by using vertical or horizontal bars whos…
a frequency distribution used when the data are categorical (…
quantitative or qualitative category
the upper and lower values of a class for a grouped frequency…
bar graph
represents the data by using vertical or horizontal bars whos…
categorical frequency distribution
a frequency distribution used when the data are categorical (…
KC Math 136- General Statistics: Chapter 2
What is the data in it's original, uno…
What is frequency distribution?
What's the most convenient method of o…
What's the most useful method of prese…
Raw Data
The Organization of Raw Data in Table Form, Using Classes and…
Frequency Distribution
Using Statistical Charts and Graphs
What is the data in it's original, uno…
Raw Data
What is frequency distribution?
The Organization of Raw Data in Table Form, Using Classes and…
27 terms
Chapter 2 Math Vocabulary: Statistics and Graphing
data
graph
bar graph
scale
numerical pieces of information
visual way to display data
graph using bars to compare quantities
set of all possible values on a graph separated by the interv…
data
numerical pieces of information
graph
visual way to display data
Integrated Math 1- Statistics Chapter 2 - KAMSC
Variable
Data
Univariate Data Set
Categorical/Qualitative Data
Any characteristics whose value may change from one individua…
Results from making observations either on a single variable…
Data set consisting of observations on a single attribute.
Individual observations are categorical responses (brown, blu…
Variable
Any characteristics whose value may change from one individua…
Data
Results from making observations either on a single variable…
Statistics Chapter 2
frequency distribution
raw data
class
frequency
the organization of raw data in table form, using classes and…
when the data are in original form
each raw data value is placed into a quantitative or qualitat…
the number of data values contained in a specific class
frequency distribution
the organization of raw data in table form, using classes and…
raw data
when the data are in original form
MATH121 M Statistics Chapter 2 Vocabulary
Raw Data
Variable
Observational Unit
Observation
Term used for numbers and category labels that have been coll…
A characteristic that can differ from one individual to the n…
A single individual who participates in a study.
Used to describe the value of a single measurement.
Raw Data
Term used for numbers and category labels that have been coll…
Variable
A characteristic that can differ from one individual to the n…
31 terms
Statistics - Chapter 2
bar graph
stacked bar graph
clustered bar graph
crosstabulation
graphical display of the categorical data where frequencies o…
bars divided into subparts of data and stacked on top of one…
each set of bars represents a single category of one variable…
tabular method for simultaneously summarizing the data for tw…
bar graph
graphical display of the categorical data where frequencies o…
stacked bar graph
bars divided into subparts of data and stacked on top of one…
Statistics Chapter 2
Class frequency (f)
Relative Frequency (rF)...
Percent frequency (%f)
Bar Graphs
the number of population members in that class...
the fraction of population members in that class... rf = f/n...
the percentage of population members in that class... %f = 100(…
Class frequency (f)
the number of population members in that class...
Relative Frequency (rF)...
the fraction of population members in that class... rf = f/n...
Probability and Statistics (Math 120) Summerville High School E.C.P. - Chapter 2 vocabulary
Frequency Distribution
Class Width
Midpoint
Relative Frequency
Table that shows classes or intervals of data with a count of…
The vertical subtraction highest to lowest of lower class num…
Is the lower class + upper class divided by 2
Frequency divided by the Sample Size
Frequency Distribution
Table that shows classes or intervals of data with a count of…
Class Width
The vertical subtraction highest to lowest of lower class num…
24 terms
Statistics Chapter 2
raw data
class
frequency
frequency distribution
when data is in its original form
when each raw data value is placed into a quantitative or qua…
the number of data values contained in a specific class
the organization of raw data in table form, using classes and…
raw data
when data is in its original form
class
when each raw data value is placed into a quantitative or qua…
15 terms
Chapter 2 Statistics
row of spreadsheets of SPSS data files
column of spreadsheets of SPSS data fi…
frequency distribution
frequency of tables in SPSS output
shows individual record
shows characteristic of the subjects in the study (constant o…
tabulation indicating the number of times a given score occur…
used also to identify data entry errors
row of spreadsheets of SPSS data files
shows individual record
column of spreadsheets of SPSS data fi…
shows characteristic of the subjects in the study (constant o…
25 terms
Statistics Chapter 2
Bar Graph
Class
Class Frequency
Class Midpoint
A graph made of bars whose heights represent the frequencies…
An interval that includes all the values in a data set that f…
The number of values in a data set that belong to a certain c…
This is obtained by dividing the sum of the lower and upper l…
Bar Graph
A graph made of bars whose heights represent the frequencies…
Class
An interval that includes all the values in a data set that f…
92 terms
Statistics: Descriptive- Chapter 2
characteristics to look for when organ…
organize data sets by grouping the dat…
frequency distribution
frequency distribution (guidelines for…
its center, its variable (or spread), and its shape
intervals called classes and forming a frequency distribution
is a table that shows classes or intervals of data entries wi…
1. decide on the number of classes. this will be given in eac…
characteristics to look for when organ…
its center, its variable (or spread), and its shape
organize data sets by grouping the dat…
intervals called classes and forming a frequency distribution
AP Statistics (Practice of Statistics) Chapter 2.1
pth percentile
Cumulative relative frequency graph
Standardized value (z-score)
Density Curve
the value with p percent of the observations less than it
helps to examine location within a distribution
In a distribution with known mean and standard deviation, thi…
Often used to describe the overall pattern of a distribution.…
pth percentile
the value with p percent of the observations less than it
Cumulative relative frequency graph
helps to examine location within a distribution
AP Statistics Chapter 2 Vocab
Percentile
Frequency Graph
Relative Frequency Graph
Cumulative Relative Frequency Graph
the value in a data set with p percent of values lower than i…
A graph showing the counts (or frequency) of each class in a…
A graph showing the percent values of each class from the who…
The cumulative relative frequency of successive class is the…
Percentile
the value in a data set with p percent of values lower than i…
Frequency Graph
A graph showing the counts (or frequency) of each class in a…
87 terms
Statistics Chapter 2
Frequency distribution
Descriptive - -to organize and simply…
table or graph
Frequency Distribution
__________ is a organized tabulation presenting how the indiv…
What type of statistic if frequency distribution?
How can you construct/show frequency distribution?
_______: counts for each individual score or group of scores.
Frequency distribution
__________ is a organized tabulation presenting how the indiv…
Descriptive - -to organize and simply…
What type of statistic if frequency distribution?
23 terms
The Practice of Statistics - Chapter 2
Percentile
relative frequency
Cumulative frequency
Cumulative relative frequency
of the a distribution is the value with p percent of the obse…
divide the count in each class by the total number there were…
add the counts in the frequency column for the current class…
divide cumulative frequency by total number overall and then…
Percentile
of the a distribution is the value with p percent of the obse…
relative frequency
divide the count in each class by the total number there were…
21 terms
AP Statistics Chapter 2 Vocab
Percentile
Frequency Graph
Relative Frequency Graph
Cumulative Relative Frequency Graph
the value in a data set with p percent of values lower than i…
A graph showing the counts (or frequency) of each class in a…
A graph showing the percent values of each class from the who…
The cumulative relative frequency of successive class is the…
Percentile
the value in a data set with p percent of values lower than i…
Frequency Graph
A graph showing the counts (or frequency) of each class in a…
Statistics Chapter 2
Raw Data
Frequency Distribution
Relative Frequency
Bar Graph
Original data obtained from observational studies and designe…
Lists each category of data and the number of occurrences for…
The proportion (or percent) of observations within a category…
Constructed by labeling each category of data on either the h…
Raw Data
Original data obtained from observational studies and designe…
Frequency Distribution
Lists each category of data and the number of occurrences for…
13 terms
Statistics - Chapter 2
Rules for a good graph
Bar graphs
Pie graph
Histogram
1) Show the data... 2) Make the patterns in data easy to see... 3)…
Good for comparing differences among groups. ... 1) Y-Axis must…
Used to display frequencies of categorical variables.... 1) Wor…
Used to display frequency distributions of a numerical variab…
Rules for a good graph
1) Show the data... 2) Make the patterns in data easy to see... 3)…
Bar graphs
Good for comparing differences among groups. ... 1) Y-Axis must…
12 terms
Chapter 2 AP Statistics
The 68-95-99.7 Rule
Cumulative relative frequency graph
Density curve
Mean of a density curve
Also known as the "empirical rule." In the Normal distributio…
Used to examine location within a distribution. Cumulative re…
A curve that (a) is always on or above the horizontal axis, a…
The point at which the curve would balance if made of solid m…
The 68-95-99.7 Rule
Also known as the "empirical rule." In the Normal distributio…
Cumulative relative frequency graph
Used to examine location within a distribution. Cumulative re…
12 terms
Statistics Chapter 2 Vocabulary
Bar graph
Pie chart
Line graph
Histogram
a graphical display of data using bars of different heights.
special chart that uses "pie slices" to show relative sizes o…
a graph that shows information is connected in someway (usual…
a bar graph with the width of the bar represents a quantitati…
Bar graph
a graphical display of data using bars of different heights.
Pie chart
special chart that uses "pie slices" to show relative sizes o…
Statistics Chapter 2
Organizing Qualitative Data
Frequency Distribution (frequency table)
Relative Frequency
Relative Frequency Distribution
Frequency Distribution/Relative Frequency/Relative Frequency…
- A list of each category of data and the number of occurrenc…
- the proportion of observations within a category. ... Round t…
Lists each category of data with the relative frequency.... ... **…
Organizing Qualitative Data
Frequency Distribution/Relative Frequency/Relative Frequency…
Frequency Distribution (frequency table)
- A list of each category of data and the number of occurrenc…
52 terms
Elementary Statistics Chapter 2
Frequency Distribution
Lower Class Limit
Upper Class Limit
Class Width
Table that shows classes or intervals of data entries with a…
Least number that can belong to a class
Greatest number that can belong to a class
Distance between lower and upper limits of a consecutive clas…
Frequency Distribution
Table that shows classes or intervals of data entries with a…
Lower Class Limit
Least number that can belong to a class
35 terms
AP Statistics: Chapter 2
Density Curve
Median of density curve
Quartiles
Mean of density curve
A curve that is always above the horizontal axis and has an a…
The "equal areas" part, the part with half the curve to it's…
Area under the curve is divided into quarters
The "balance" part
Density Curve
A curve that is always above the horizontal axis and has an a…
Median of density curve
The "equal areas" part, the part with half the curve to it's…
23 terms
Chapter 2- Descriptive Statistics
Frequency distribution
Frequency
Class width
Range
a table that shows classes or intervals of data entries with…
the number of data entries in the class
the distance between lower (or upper) limits of consecutive c…
the difference between the maximum and minimum data entries
Frequency distribution
a table that shows classes or intervals of data entries with…
Frequency
the number of data entries in the class
23 terms
Statistics Chapter 2 Vocab
Frequency Table
Class Lower Limit
Class Upper Limit
Class Width
A table that shows the total for each category or group of da…
Lowest data value that can fit in a class.
Highest data value that can fit in a class.
Lower Limit of Class #2 - Lower Limit of Class #1... HIGH - LO…
Frequency Table
A table that shows the total for each category or group of da…
Class Lower Limit
Lowest data value that can fit in a class.
Math Statistics Chapter 1
EXPERIMENT
EXPERIMENTAL UNIT
CONTROL GROUP
PLACEBO
a controlled study conducted to determine the effect varying…
a person, object, or some other well-defined item upon which…
serves as a baseline treatment that can be used to compare to…
an innocuous medication, such as a sugar tablet, that looks,…
EXPERIMENT
a controlled study conducted to determine the effect varying…
EXPERIMENTAL UNIT
a person, object, or some other well-defined item upon which…
19 terms
Statistics--Chapter 2-3
Linear transformation--addition
Linear transformation--multiplication
Z-score
Z-score formula
Center: changes by +/- "a"... Spread: no change
Center: changes by x "a"... Spread: changes by x "a"
Tells us how many standard deviations away from the mean, and…
(x-mean)/standard deviation
Linear transformation--addition
Center: changes by +/- "a"... Spread: no change
Linear transformation--multiplication
Center: changes by x "a"... Spread: changes by x "a"
Essential Statistics Chapter 2
Frequency distribution
bar graph
Pareto Chart
side by side bar graph
A set of data organized by summarizing the number of times a…
a graphical representation of a frequency distribution
a bar graph with frequency in descending order
used to compare two bar graphs of the same categories
Frequency distribution
A set of data organized by summarizing the number of times a…
bar graph
a graphical representation of a frequency distribution
21 terms
AP Statistics Chapter 2 Vocab
Percentile
Frequency Graph
Relative Frequency Graph
Cumulative Relative Frequency Graph
The pth percentile of a distribution is the value with p perc…
A graph showing the counts of each class in a distribution.
A graph showing the percent values of each class from the who…
The cumulative relative frequency of successive class is the…
Percentile
The pth percentile of a distribution is the value with p perc…
Frequency Graph
A graph showing the counts of each class in a distribution.
Chapter 2: Descriptive Statistics
diagrams
tables
frequency distribution
percentiles (quartiles)
illustrates trends/patterns
numerical data (means/frequencies)
relative occurrence of observations in a data set ... -continuou…
25%: lower quartile... 50%: inner quartile range... 75%: upper quar…
diagrams
illustrates trends/patterns
tables
numerical data (means/frequencies)
Bluman Elementary Statistics Chapter 2
categorical frequency distribution
class
class boundaries
class midpoint
a frequency distribution used when the data are categorical (…
quantitative or qualitative category
the upper and lower values of a class for a grouped frequency…
value for a class in a grouped frequency distribution obtaine…
categorical frequency distribution
a frequency distribution used when the data are categorical (…
class
quantitative or qualitative category
AP Statistics Chapter 2
μ
σ
Sum of
population mean
sample mean
population standard deviation... Measures typical distance data…
Sum of
μ
population mean
12 terms
Statistics Chapter 2 Terms
Frequency Tables
Distribution
Area Principle
Bar Chart
Lists categories in a categorical variable and gives the coun…
The distribution of variable gives: the possible values of th…
In a statistical display each data value should be represente…
Shows whose area represents the count (or percentage) of obse…
Frequency Tables
Lists categories in a categorical variable and gives the coun…
Distribution
The distribution of variable gives: the possible values of th…
Chapter 2 Statistics
A list of college wresting champions f…
In a magazine study, researchers repor…
Dot Plots, Stem-and-Leaf Display, and…
Consider the following stem-and-leaf d…
9/25 = 0.36... B. 0.36
A. Histogram
Quantitative
B. The stem is 3 and the leaves are 4, 6, 6. The numbers in t…
A list of college wresting champions f…
9/25 = 0.36... B. 0.36
In a magazine study, researchers repor…
A. Histogram
Business Statistics: Chapter 2 - Descriptive Statistics
Frequency DISTRIBUTION
RELATIVE frequency
PRECENT frequency
CUMULATIVE frequency
tabular summary of data showing the frequency (or number) of…
the FRACTION or PROPORTION of the total number of data items…
RELATIVE frequency multiplied by 100
shows the NUMBER of items with values less than or equal to t…
Frequency DISTRIBUTION
tabular summary of data showing the frequency (or number) of…
RELATIVE frequency
the FRACTION or PROPORTION of the total number of data items…
Pearson Introduction To Statistics 12th Ed: Chapter 2
Important Characteristics Of Data
Center
Variation
Distribution
-Center... -Variation... -Distribution... -Outliers... -Time
Indicated where the middle amount in a data set is located
A measure of the amount that data values vary between eachother
The shape of the data over the range of values (bell, uniform…
Important Characteristics Of Data
-Center... -Variation... -Distribution... -Outliers... -Time
Center
Indicated where the middle amount in a data set is located
9 terms
Math Chapter 9 Statistics
Population
Sample
Random Sample
Biased Sample
the complete set of items being studied
the part of the population.A sample is often used to conduct…
A sample in which every member of the population has a chance…
A biased sample does not fairly represent the population
Population
the complete set of items being studied
Sample
the part of the population.A sample is often used to conduct…
16 terms
Statistics-Chapter 2
Distribution
Rates
Median
Outlier
tells us what values the variable takes and how often it take…
Percents or proportions
the middle number, the midpoint of a distribution.
in a graph of data, it is an individual observation that fall…
Distribution
tells us what values the variable takes and how often it take…
Rates
Percents or proportions
Psychology Chapter 2 Statistics
Statistics
Descriptive Statistics
Percentiles
Frequency Distributions
The process of representing or analyzing numerical data.
1) Organizing data from a sample in a meaningful way. 2) Conc…
Most commonly used on standardized tests. If you score 750 on…
1) Explain how data in a study looked. 2) Might show how ofte…
Statistics
The process of representing or analyzing numerical data.
Descriptive Statistics
1) Organizing data from a sample in a meaningful way. 2) Conc…
34 terms
chapter 2- descriptive statistics
Objectives
Frequency distributions ... -
Raw data
Frequency ... - how many people pick 1 qu…
Organize Qualitative Data in Tables... Construct Bar Graphs... Cons…
lists each category of data and the number of occurrences for…
when data are collected in original form
number of data values that fall into a specific class
Objectives
Organize Qualitative Data in Tables... Construct Bar Graphs... Cons…
Frequency distributions ... -
lists each category of data and the number of occurrences for…
AP Statistics Chapter 2 Vocab
Percentile
Frequency Graph
Relative Frequency Graph
Cumulative Relative Frequency Graph
the value in a data set with p percent of values lower than i…
A graph showing the counts (or frequency) of each class in a…
A graph showing the percent values of each class from the who…
The cumulative relative frequency of successive class is the…
Percentile
the value in a data set with p percent of values lower than i…
Frequency Graph
A graph showing the counts (or frequency) of each class in a…
Statistics Chapter 2
Percentile
relative frequency
Cumulative relative frequency
Standardized value
of the a distribution is the value with p percent of the obse…
divide the count in each class by the total number there were…
divide cumulative frequency by total number overall and then…
if x is an observation from the distribution that has known m…
Percentile
of the a distribution is the value with p percent of the obse…
relative frequency
divide the count in each class by the total number there were…
Chapter 2 Statistics
Raw Data
Class
Frequency
Frequency distribution
Data that is original form
Each raw data that is placed into a quantitative or qualitati…
the number of data values contained in a specific class.
Is the organization of raw data in table form, using classes…
Raw Data
Data that is original form
Class
Each raw data that is placed into a quantitative or qualitati…
17 terms
Statistics Chapter 2
Variable
Quantitative Variable
Qualitative (Categorical) Variable
Discrete Variable
A characteristic that varies from one person or thing to anot…
A variable that you can count.
A variable that you cannot count.
A type of quantitative variable.... You can list all the possib…
Variable
A characteristic that varies from one person or thing to anot…
Quantitative Variable
A variable that you can count.
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