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Study sets matching "statistics"

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Study sets matching "statistics"

69 terms
Statistics
Arcsine Transform
Average Deviation
Bimodal Frequency Distribution
Central Tendency
When the data are proportions it is usually recommended that…
the mean absolute deviation that measures the absolute differ…
A combination of two normal distributions -there are two peak…
In statistics, a __________________ (or more commonly, a meas…
Arcsine Transform
When the data are proportions it is usually recommended that…
Average Deviation
the mean absolute deviation that measures the absolute differ…
46 terms
Statistics
Arcsine Transform
Average Deviation
Bimodal Frequency Distribution
Central Tendency
When the data are proportions it is usually recommended that…
The average deviation, or the mean absolute deviation, measur…
A bimodal distribution is like a combination of two normal di…
In statistics, a central tendency (or more commonly, a measur…
Arcsine Transform
When the data are proportions it is usually recommended that…
Average Deviation
The average deviation, or the mean absolute deviation, measur…
16 terms
Statistics
Mean
Median
Mode
Measures of Center
sum divided by 'n'; adding all the numbers together then divi…
Middle number
Most frequently occurring score; Most often
the mean, median, and mode used to describe data
Mean
sum divided by 'n'; adding all the numbers together then divi…
Median
Middle number
10 terms
Statistics
Mean
Median
Mode
Statistics
The average of the data points. ... Add all the data points; div…
The middle point.... List all the data points in numerical order…
The number seen the most.... Look at list, count how many times…
using data to answer questions; not yes/no or single answer q…
Mean
The average of the data points. ... Add all the data points; div…
Median
The middle point.... List all the data points in numerical order…
36 terms
Statistics
probability
statistics
sample space
event
calculation tool
observation of past
all possible outcomes
a specific possible outcome
probability
calculation tool
statistics
observation of past
19 terms
Statistics
Median
Mean
Mode
Quartile 1
The middle value when a data set is put in increasing order
The average of a data set
The most frequent value in a data set
The middle value of the data that's less than the median
Median
The middle value when a data set is put in increasing order
Mean
The average of a data set
11 terms
Statistics
Mean
median
mode
range
adding numbers and then dividing the sum by the number of dig…
list orders from least to greatest; the number in the middle…
the number that appears most often in a set of data **there c…
The difference (-) between the greatest and least values in a…
Mean
adding numbers and then dividing the sum by the number of dig…
median
list orders from least to greatest; the number in the middle…
32 terms
Statistics
Statistics
Statistical question
Sample size
Data
Science of collecting, organizing, representing, and explaini…
A question that may have many answers
Number of people asked a statistical question
Information often in number form and usually organized
Statistics
Science of collecting, organizing, representing, and explaini…
Statistical question
A question that may have many answers
54 terms
Statistics
Working with charts and diagrams, alwa…
Grouping data is good because,
Grouping data is not so good because,
Median is
Check the scale
it is easier to collect the data
you lose accuracy and can only estimate your statistics.
the middle number in a set once it is in order
Working with charts and diagrams, alwa…
Check the scale
Grouping data is good because,
it is easier to collect the data
17 terms
Statistics
Mean
Median
Mode
Range
The sum of a set of data divided by the number of data in the…
The middle value in a set of ordered data. (When there is an…
The data that occurs the most often. (Can be numeric or categ…
The distance between the greatest and least data.
Mean
The sum of a set of data divided by the number of data in the…
Median
The middle value in a set of ordered data. (When there is an…
39 terms
Statistics
Size
Mean
Size
Variance
n
n
Size
n
Mean
10 terms
Statistics
Mean
Median
Mode
Statistics
The average of the data points. ... Add all the data points; div…
The middle point.... List all the data points in numerical order…
The number seen the most.... Look at list, count how many times…
using data to answer questions; not yes/no or single answer q…
Mean
The average of the data points. ... Add all the data points; div…
Median
The middle point.... List all the data points in numerical order…
16 terms
Statistics
statistics
histogram
percentile
distribution
quantitative data on any subject, esp data comparing the dist…
a statistical graph that represents the frequency of values o…
A percentile is one of the equal divisions of an amount, expr…
The distribution of things involves giving or delivering them…
statistics
quantitative data on any subject, esp data comparing the dist…
histogram
a statistical graph that represents the frequency of values o…
10 terms
Statistics
T-test
Type I vs. Type II error
Case-control study
Cohort study
Parametric Test... Continuous Variables
Type I: identifying difference when there is none... Type II: f…
2 groups of subjects-->one with outcome of interest and one w…
Assignment to group occurs BEFORE intervention
T-test
Parametric Test... Continuous Variables
Type I vs. Type II error
Type I: identifying difference when there is none... Type II: f…
49 terms
statistics
transformation
Statistical notation
Empirical
sample
is a mathematical procedure for systematically converting a s…
is the standardized code for symbolizing the mathematical ope…
means knowledge obtained through observation of events
is a relatively small subset of a population that is intended…
transformation
is a mathematical procedure for systematically converting a s…
Statistical notation
is the standardized code for symbolizing the mathematical ope…
34 terms
Statistics
statistics
inferential statistics
data
data g
procedures used to organize, condense, and analyze data in or…
procedures that enable generalizing from sample data to the l…
numerical facts about cases; conveys information about qualit…
plural
statistics
procedures used to organize, condense, and analyze data in or…
inferential statistics
procedures that enable generalizing from sample data to the l…
128 terms
Statistics
addition rule of probabilities
alternative hypothesis
analysis of variance
ANOVA
Determines the probability of the union of two or more events.
Denoted by H1, represents the opposite of the null hypothesis…
a procedure to test the difference between more than two popu…
analysis of variance
addition rule of probabilities
Determines the probability of the union of two or more events.
alternative hypothesis
Denoted by H1, represents the opposite of the null hypothesis…
11 terms
Statistics
discrete numerical data
discrete categorical data
continuous numerical data
primary source data
data that can be counted
data that can be grouped according to a particular type
data that can be measured
first hand data collected from an original source
discrete numerical data
data that can be counted
discrete categorical data
data that can be grouped according to a particular type
14 terms
Statistics
Biased
Biased
Observational
Sample
Data or question that favors a particular outcome
Data or question that favors a particular outcome
Researcher just takes measurements and gathers data
Smaller portion of population that represents population
Biased
Data or question that favors a particular outcome
Biased
Data or question that favors a particular outcome
11 terms
Statistics
Mean
Median
Mode
Range
The sum of a set of data divided by the number of data in the…
The middle value in a set of ordered data. (When there is an…
The data that occurs the most often. (Can be numeric or categ…
The distance between the greatest and least data.
Mean
The sum of a set of data divided by the number of data in the…
Median
The middle value in a set of ordered data. (When there is an…
36 terms
Statistics
Statistics
Statistical Question
Numerical Data
Observation
Numerical facts or data that can be put together or tabulated…
A question that anticipates there will be different answers i…
data that can be counted or measured (Also called quantitativ…
What is seen or measured
Statistics
Numerical facts or data that can be put together or tabulated…
Statistical Question
A question that anticipates there will be different answers i…
15 terms
statistics
mean
median
mode
histogram
the average of all the values
the middle value
the most occurring value
mean
the average of all the values
median
the middle value
23 terms
Statistics
mean
mode
median
quartile
average
value occurring most often
the middle value
25% of the total data set
mean
average
mode
value occurring most often
16 terms
Statistics
Mean
Median
Mode
Range
Average - sum (+) of the data divided by the numbers of numbe…
When all the numbers are in order... it is the middle number.…
The number that appears the MOst. May be one number, two numb…
Difference (subtract) between the highest and lowest number
Mean
Average - sum (+) of the data divided by the numbers of numbe…
Median
When all the numbers are in order... it is the middle number.…
24 terms
Statistics
Dot Plot
Range
Quartiles
Five Number Summary
a graphical display of data using dots
the difference between the lowest and highest value
the values that divide a list of numbers into quarters
a set of data showing the Minimum, 1st Quartile, Median, 3rd…
Dot Plot
a graphical display of data using dots
Range
the difference between the lowest and highest value
55 terms
Statistics
Data
Statistics
population
census
collections of observations
the science of planning studies and experiments; obtaining da…
complete collection of all measurements or data
collection of data from every member of the population
Data
collections of observations
Statistics
the science of planning studies and experiments; obtaining da…
68 terms
Statistics
What is a null hypothesis (H0)?
If a study is without statical signifi…
What is the null hypothesis in the Aim…
What is the alternative hypothesis (H1)?
States no difference present between groups
Fails to reject null hypothesis
no difference in cardiovascular events (primary outcome) betw…
State a difference exists between groups
What is a null hypothesis (H0)?
States no difference present between groups
If a study is without statical signifi…
Fails to reject null hypothesis
22 terms
Statistics
statistics
inferential statistics
data
datum
procedures used to organize, condense, and analyze data in or…
procedures that enable generalizing from sample data to the l…
numerical facts about cases; conveys information about qualit…
singular
statistics
procedures used to organize, condense, and analyze data in or…
inferential statistics
procedures that enable generalizing from sample data to the l…
68 terms
Statistics
What is a null hypothesis (H0)?
If a study is without statical signifi…
What is the null hypothesis in the Aim…
What is the alternative hypothesis (H1)?
States no difference present between groups
Fails to reject null hypothesis
no difference in cardiovascular events (primary outcome) betw…
State a difference exists between groups
What is a null hypothesis (H0)?
States no difference present between groups
If a study is without statical signifi…
Fails to reject null hypothesis
34 terms
Statistics
Statistics
Population
Sample
Observational Study
Relationship between variables
Entire collection of objects
Part of population
Person conducting observes characteristics of a sample, does…
Statistics
Relationship between variables
Population
Entire collection of objects
11 terms
statistics
mean
mode
median
range
A measure of centre in a set of numerical data, computed by a…
The value that occurs most frequently in a given data set.
A measure of centre in a set of numerical data. The median is…
Distance between highest and lowest scores in a set of data.
mean
A measure of centre in a set of numerical data, computed by a…
mode
The value that occurs most frequently in a given data set.
41 terms
Statistics
Numerical Data
Categorical Data
Discrete Data
Continuous data
Quantitative Data, ... Data that can be gathered using numbers.…
Qualitative Data,... Data that can be placed into categories . e…
data that can only have particular values. In most cases, the…
data that can take any value between the smallest and largest…
Numerical Data
Quantitative Data, ... Data that can be gathered using numbers.…
Categorical Data
Qualitative Data,... Data that can be placed into categories . e…
11 terms
Statistics
data set
range
mean
median
all the data collected in a particular study
Distance between highest and lowest scores in a set of data.
the AVERAGE of a set of data; add them all up and divide the…
,Statistics: Mean, Median, Mode, Range, Graphing Data
data set
all the data collected in a particular study
range
Distance between highest and lowest scores in a set of data.
14 terms
Statistics
Statistics
Population
Sample
Statistical Sample
facts or data of numerical kind, ... assembled, classified, and…
represent ALL possible measurements... or outcomes that are of i…
refers to a PORTION of the population that is REPRESENTATIVE…
Part of a population whose properties... are studied to gain inf…
Statistics
facts or data of numerical kind, ... assembled, classified, and…
Population
represent ALL possible measurements... or outcomes that are of i…
20 terms
Statistics
Box and Whisker Plot
Distribution
Line Plot
Frequency
A diagram that summarizes data using the mean, the upper and…
The arrangement of values that show the spread of the data.
A statistical chart consisting of data points on a number line.
The number of times an item, number, or event occurs.
Box and Whisker Plot
A diagram that summarizes data using the mean, the upper and…
Distribution
The arrangement of values that show the spread of the data.
12 terms
Statistics
1. Multiply the x values by the freque…
1. Find the midpoints of each class. (…
Add each frequency to the sum of the f…
1. Find the number of items. (1+2+3+7+…
How do you find the mean from this table?
How do you find the mean from this table?
How do you fill in the cumulative frequency table?
How do you find the median from a table?
1. Multiply the x values by the freque…
How do you find the mean from this table?
1. Find the midpoints of each class. (…
How do you find the mean from this table?
17 terms
Statistics
unbiased
Measure of Center
Box and Whisker Plot
5 number summary
does not favor one over another; ... syn(s). impartial, neutral,…
The mean and median are ways to measure the central position…
A diagram that summarizes data using the median upper and low…
Minimum ... Q1: lower quartile... Q2: median... Q3: upper quartile... Max…
unbiased
does not favor one over another; ... syn(s). impartial, neutral,…
Measure of Center
The mean and median are ways to measure the central position…
12 terms
Statistics
data
statistics
population
sample
consist of information coming from observations, counts, meas…
the science of collection, organizing, analyzing, and interpr…
collection of all outcomes, responses, measurements, or count…
a subset, or part, of a population
data
consist of information coming from observations, counts, meas…
statistics
the science of collection, organizing, analyzing, and interpr…
41 terms
Statistics
Descriptive Statistics
Correlation Statistics
Experimental Statistics
Inferential
Organizes & summarizes information about a collection of actu…
Used to measure and describe the STRENGTH and DIRECTION of th…
There is more than one possible outcome. We can specify each…
Tool for generalizing beyond actual observations. Probability…
Descriptive Statistics
Organizes & summarizes information about a collection of actu…
Correlation Statistics
Used to measure and describe the STRENGTH and DIRECTION of th…
8 terms
Statistics
mean
median
mode
range
average
middle
most
max - min
mean
average
median
middle
10 terms
Statistics
population mean
sample mean
sum of
sample size
or m
Ʃ
n
population mean
sample mean
or m
155 terms
Statistics
Standard Deviation
Standard Deviation Rule
Mean
Median
The average distance between data points and the mean
Approximately 68% of the data fall within 1 standard deviatio…
The average of a set of data (sensitive to outliers)
The middle number of a set of data (resistant to outliers)
Standard Deviation
The average distance between data points and the mean
Standard Deviation Rule
Approximately 68% of the data fall within 1 standard deviatio…
36 terms
Statistics
Population
Sample
Parameter
Sample statistic
set of all possible items, objects, or persons under consider…
subset of the population
descriptive measure of some characteristic of the population
descriptive measure of some characteristic of the sample
Population
set of all possible items, objects, or persons under consider…
Sample
subset of the population
14 terms
Statistics
box plot
dot plot
mean (average)
standard deviation
The box plot (a.k.a. box and whisker diagram) is a standardiz…
A dot chart or dot plot is a statistical chart consisting of…
a number expressing the central or typical value in a set of…
a quantity calculated to indicate the extent of deviation for…
box plot
The box plot (a.k.a. box and whisker diagram) is a standardiz…
dot plot
A dot chart or dot plot is a statistical chart consisting of…
12 terms
Statistics
Mean
Median
Mode
Statistics
The average of the data points. ... Add all the data points; div…
The middle point.... List all the data points in numerical order…
The number seen the most.... Look at list, count how many times…
The study of sets of data - collection, presentation, interpr…
Mean
The average of the data points. ... Add all the data points; div…
Median
The middle point.... List all the data points in numerical order…
Statistics
unbiased
Measure of Center
Box and Whisker Plot
5 number summary
does not favor one over another; ... syn(s). impartial, neutral,…
The mean and median are ways to measure the central position…
A diagram that summarizes data using the median upper and low…
Minimum ... Q1: lower quartile... Q2: median... Q3: upper quartile... Max…
unbiased
does not favor one over another; ... syn(s). impartial, neutral,…
Measure of Center
The mean and median are ways to measure the central position…
14 terms
Statistics
random sample
Biased
Observational
Sample
A sample in which every element in the population has an equa…
Data or question that favors a particular outcome
Researcher just takes measurements and gathers data
Smaller portion of population that represents population
random sample
A sample in which every element in the population has an equa…
Biased
Data or question that favors a particular outcome
12 terms
statistics
parametric
non parametric
what is ordinal data
student t test
參數... continuous numerical data... from normally distributed popula…
Ordinal data... nominal data... Interval data ... not normally distrib…
顺序
- parametric test... - samples from normally distributed populat…
parametric
參數... continuous numerical data... from normally distributed popula…
non parametric
Ordinal data... nominal data... Interval data ... not normally distrib…
16 terms
Statistics
Primary Data
Secondary Data
observational data
A designed experiment
Collected by a person
The Guinness Book of records
when a person observes what is happening without influencing
Something similar to how you investigate in science you have…
Primary Data
Collected by a person
Secondary Data
The Guinness Book of records
18 terms
Statistics
Mean
Median
Mode
Normal Distribution
Average
Middle number
The value that occurs most frequently in a given data set.
Mean
Average
Median
Middle number
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