# Study sets matching "math statistics chapter 2"

Study sets

Diagrams

Classes

Users

statistics (write out)

data

scale

intervals

the study of collecting,analyzing,and presenting data

information,often numerical,which is gathered for statistical…

the set of all possible values given measurement,including the…

the difference between successive values on a scale

statistics (write out)

the study of collecting,analyzing,and presenting data

data

information,often numerical,which is gathered for statistical…

Raw data

Frequency distibution

Relative frequency

frequency / sum of all frequencies

Data obtained through observational studies or designed experi…

Distribution that lists each category of data and the number o…

The proportion (or percent) of observations within a category

Formula of relative frequency

Raw data

Data obtained through observational studies or designed experi…

Frequency distibution

Distribution that lists each category of data and the number o…

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bar graph

categorical frequency distribution

class

class boundaries

represents the data by using vertical or horizontal bars whose…

a frequency distribution used when the data are categorical (n…

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 whose…

categorical frequency distribution

a frequency distribution used when the data are categorical (n…

Bar Graph

Histogram

Frequency Histogram

Circle Graph (Pie Chart)

a graph with bars that are of uniform width and are evenly spa…

a graph with bars that represent a range of values on the hori…

a histogram that shows the ratio between class frequency and t…

shows the total quantity divided into component parts using pr…

Bar Graph

a graph with bars that are of uniform width and are evenly spa…

Histogram

a graph with bars that represent a range of values on the hori…

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 qualitati…

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

Bar Graph

Histogram

Frequency Histogram

Circle Graph (Pie Chart)

a graph with bars that are of uniform width and are evenly spa…

a graph with bars that represent a range of values on the hori…

a histogram that shows the ratio between class frequency and t…

shows the total quantity divided into component parts using pr…

Bar Graph

a graph with bars that are of uniform width and are evenly spa…

Histogram

a graph with bars that represent a range of values on the hori…

Mean

Median

Mode

Outlier

value that represents a typical, or central, entry of a data s…

value in the data set that lies

data entry that occurs with the greatest frequency

a data entry that is far removed from the other entries in the…

Mean

value that represents a typical, or central, entry of a data s…

Median

value in the data set that lies

frequency distribution

frequency (⨍)

lower class limit

upper class limit

a table that shows classes or intervals of data entries with a…

the frequency of a class is the number of data entries in the…

the least number that can belong to the class

the greatest number that can belong to the class

frequency distribution

a table that shows classes or intervals of data entries with a…

frequency (⨍)

the frequency of a class is the number of data entries in the…

Frequency Distribution

Lower Class Limit

Upper Class Limit

Class Width

Table that shows classes or intervals of data entries with a c…

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 class…

Frequency Distribution

Table that shows classes or intervals of data entries with a c…

Lower Class Limit

Least number that can belong to a class

Percentile

relative frequency

Cumulative frequency

Cumulative relative frequency

is the percent of the distribution that is below the value of…

is the percent that a given category or interval occurs within…

add the counts in the frequency column for the current class a…

add the relative frequency (%) column for the current class an…

Percentile

is the percent of the distribution that is below the value of…

relative frequency

is the percent that a given category or interval occurs within…

response variable

explanatory variable

segmented bar chart

association

Variable which measures an outcome of a study.

Variable which may help predict or explain changes in a respon…

Displays the possible values of a categorical variable as segm…

This exists when knowing the value of one variable helps predi…

response variable

Variable which measures an outcome of a study.

explanatory variable

Variable which may help predict or explain changes in a respon…

Bar Graph

Histogram

Circle Graph (Pie Chart)

Line Graph

a graph with bars that are of uniform width and are evenly spa…

a graph with bars that represent a range of values on the hori…

shows the total quantity divided into component parts using pr…

A graph showing the data measurements in order over a length o…

Bar Graph

a graph with bars that are of uniform width and are evenly spa…

Histogram

a graph with bars that represent a range of values on the hori…

area

inch (in.)

foot (ft.)

yard (yd)

The amount of surface covered by a figure. Area is measured in…

a small paper clip is about an inch

12 inches

36 inches or 3 feet

area

The amount of surface covered by a figure. Area is measured in…

inch (in.)

a small paper clip is about an inch

Percentile

relative frequency

Cumulative frequency

Cumulative relative frequency

of the a distribution is the value with p percent of the obser…

divide the count in each class by the total number there were.…

add the counts in the frequency column for the current class a…

divide cumulative frequency by total number overall and then m…

Percentile

of the a distribution is the value with p percent of the obser…

relative frequency

divide the count in each class by the total number there were.…

Percentile

Frequency Graph

Relative Frequency Graph

Cumulative Relative Frequency Graph

The pth percentile of a distribution is the value with p perce…

A graph showing the counts of each class in a distribution.

A graph showing the percent values of each class from the whol…

The cumulative relative frequency of successive class is the r…

Percentile

The pth percentile of a distribution is the value with p perce…

Frequency Graph

A graph showing the counts of each class in a distribution.

Percentile

Cumulative Relative Frequency Graph

Standardizing

Standardized Score

the value in a data set with p percent of values lower than it…

also known as ogives. the relative frequency of that class add…

The conversion of observations from original values to standar…

Also known as the z-score. Tells how many standard deviations…

Percentile

the value in a data set with p percent of values lower than it…

Cumulative Relative Frequency Graph

also known as ogives. the relative frequency of that class add…

Descriptive Statistics

Measure of central tendency

Mean (x)

Population (𝝁)

Uses the data to provide description of the population, ether…

describes how the data clusters around some central value

-the central value of a sample... -the sum of the individual samp…

total set of observations that can be made

Descriptive Statistics

Uses the data to provide description of the population, ether…

Measure of central tendency

describes how the data clusters around some central value

What is frequency distribution

what is a frequency

what is a frequency distribution table

what is the problem with FD charts

an organized tabulation of data , showing the number of indivi…

number of individuals in each category, ether a table or graph…

Categories of a score (x) in one column often from high to low…

if the number of categories is very large the table provides l…

What is frequency distribution

an organized tabulation of data , showing the number of indivi…

what is a frequency

number of individuals in each category, ether a table or graph…

Percentile

Frequency Graph

Relative Frequency Graph

Cumulative Relative Frequency Graph

the value in a data set with p percent of values lower than it…

A graph showing the counts (or frequency) of each class in a d…

A graph showing the percent values of each class from the whol…

The cumulative relative frequency of successive class is the r…

Percentile

the value in a data set with p percent of values lower than it…

Frequency Graph

A graph showing the counts (or frequency) of each class in a d…

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density curve

µ (mu)

σ (sigma)

outcomes

A curve that describes the overall pattern of a distribution.…

mean of distribution

standard deviation of a density curve

The results of a chance experiment

density curve

A curve that describes the overall pattern of a distribution.…

µ (mu)

mean of distribution

Percentile

Cumulative Relative Frequency Graph

Standardizing

Standardized Score

the value in a data set with p percent of values lower than it…

also known as ogives. the relative frequency of that class add…

The conversion of observations from original values to standar…

Also known as the z-score. Tells how many standard deviations…

Percentile

the value in a data set with p percent of values lower than it…

Cumulative Relative Frequency Graph

also known as ogives. the relative frequency of that class add…

Percentile

Standardizing

Standardized Score

Multiply/Dividing a Constant

the value in a data set with p percent of values lower than it…

The conversion of observations from original values to standar…

Also known as the z-score. Tells how many standard deviations…

Affects measures of center and spread, but not shape

Percentile

the value in a data set with p percent of values lower than it…

Standardizing

The conversion of observations from original values to standar…

Bar Graph

Histogram

Frequency Histogram

Circle Graph (Pie Chart)

a graph with bars that are of uniform width and are evenly spa…

a graph with bars that represent a range of values on the hori…

a histogram that shows the ratio between class frequency and t…

shows the total quantity divided into component parts using pr…

Bar Graph

a graph with bars that are of uniform width and are evenly spa…

Histogram

a graph with bars that represent a range of values on the hori…