# Study sets matching "statistics vocabulary"

Study sets

Diagrams

Classes

Users

Experiment

Census ... Sampling

Survey

Stratified sampling

apply a treatment to part of a population and responses observ…

a count or measure of an entire population

used to take a census or a sampling.

separate into groups then take random sample from each group.

Experiment

apply a treatment to part of a population and responses observ…

Census ... Sampling

a count or measure of an entire population

Population

Sample

Sampling

Census

The entire group of individuals we want data or information ab…

The subset of population we collect data from.

Studying a part to gain info about the whole (studying the sam…

Contacts every individual of the population.

Population

The entire group of individuals we want data or information ab…

Sample

The subset of population we collect data from.

convenience sample

undercoverage

sample

Sample survey

choosing individuals form a population that are easy to reach

when some members of the population cannot be chosen in a samp…

a subset of individuals in the population from which we actual…

choosing a sample to represent a specific population

convenience sample

choosing individuals form a population that are easy to reach

undercoverage

when some members of the population cannot be chosen in a samp…

Statistics

Statistical question

Sample size

Mean

Science of collecting, organizing, representing, and explainin…

A question that may have many answers

Number of people asked a statistical question

A measure of center also known as the average

Statistics

Science of collecting, organizing, representing, and explainin…

Statistical question

A question that may have many answers

Statistics

Quantitative variable

Qualitative variable

Population

The study of the collection, analysis, interpolation, presenta…

A numerical variable.

Describes an individual through grouping or categorization.

The entire pool from which a statistical sample is drawn.

Statistics

The study of the collection, analysis, interpolation, presenta…

Quantitative variable

A numerical variable.

frequency table

relative frequency table

categorical variable

distribution

A table that shows the number of individuals having each data…

A table which shows the proportion or percent of individuals h…

Assigns a label that places each individual into one of severa…

Describes what values the variable takes and how often it take…

frequency table

A table that shows the number of individuals having each data…

relative frequency table

A table which shows the proportion or percent of individuals h…

Qualitative

Quantitative

Distribution

Marginal Distribution

AKA: Categorical. A variable that places an individual into on…

A variable that takes numerical values for which it makes sens…

The distribution of a variable tells us what values the variab…

In a two-way table; is the distribution values of THAT variabl…

Qualitative

AKA: Categorical. A variable that places an individual into on…

Quantitative

A variable that takes numerical values for which it makes sens…

Percentile

Cumulative Relative Frequency Graph

Adding or subtracting from each individ…

Multiplying or dividing each individual…

The value with p percent of the observations less than it.

AKA: Ogive; A type of graph that can be made with percentiles…

Mean, Median, and Q1/Q3. Does not change shape or measures of…

Mean, Median, Standard Deviation, and IQR (interquartile range…

Percentile

The value with p percent of the observations less than it.

Cumulative Relative Frequency Graph

AKA: Ogive; A type of graph that can be made with percentiles…

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…

5 number summary

z score

standard deviation

population

The minumum value, lower quartile, median, upper quartile, and…

a measure of how many standard deviations you are away from th…

A statistical measure of how far away each value is, on averag…

(statistics) the entire aggregation of items from which sample…

5 number summary

The minumum value, lower quartile, median, upper quartile, and…

z score

a measure of how many standard deviations you are away from th…

population

census

sample

observational study

In a statistical study, the entire group of individuals we wan…

Data collected from every individual in the population.

A subset of individuals in the population from which we collec…

Observes individuals and measures variables of interest withou…

population

In a statistical study, the entire group of individuals we wan…

census

Data collected from every individual in the population.

population

sample

sample size

census

Entire group of individuals about whom we hope to learn

a representative subset of a population, examined in the hope…

The number of individuals in a sample

A sample that consists of the entire population

population

Entire group of individuals about whom we hope to learn

sample

a representative subset of a population, examined in the hope…

Observational study

Retrospective study

Prospective study

Experiment

A study based on data in which no manipulation of factors has…

An observational study in which subjects are selected and then…

An observational study in which subjects are followed to obser…

This manipulates factor levels to create treatments, randomly…

Observational study

A study based on data in which no manipulation of factors has…

Retrospective study

An observational study in which subjects are selected and then…

Statistics

Statistical question

Sample size

Data

Science of collecting, organizing, representing, and explainin…

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 explainin…

Statistical question

A question that may have many answers

Box and Whisker Plot

Line Plot

Frequency

Frequency Table

A diagram that summarizes data using the mean, the upper and l…

A statistical chart consisting of data points on a number line.

The number of times an item, number, or event occurs.

The organization of data in table form with tallies and freque…

Box and Whisker Plot

A diagram that summarizes data using the mean, the upper and l…

Line Plot

A statistical chart consisting of data points on a number line.

Data

Statistics

population

sample

consist of information coming from observation, counts, measur…

the science of collecting, organizing, analyzing, and interpre…

the collection of all outcomes, responses, measurements, or co…

a subset of a population

Data

consist of information coming from observation, counts, measur…

Statistics

the science of collecting, organizing, analyzing, and interpre…

distribution

pie chart

marginal distribution

independent

The possible values of the variable and/or the relative freque…

Show how a "whole" divides into categories by showing a wedge…

The distribution of either variable alone from a contingency t…

Variables are considered this if the conditional distribution…

distribution

The possible values of the variable and/or the relative freque…

pie chart

Show how a "whole" divides into categories by showing a wedge…

Data

Population

Categorical variable

Quantitative variable

Systematically recorded information, together with its context.

All the cases that we wish we knew about.

A variable that names categories.

A variable in which the numbers act as numerical values. Alway…

Data

Systematically recorded information, together with its context.

Population

All the cases that we wish we knew about.

Descriptive Statistics

Inferential Statistics

population

sample

The process of organizing and summarizing data. Usually done w…

procedures used to draw conclusions about populations based on…

A group of people, things, or objects that are being studied

A subset of a population

Descriptive Statistics

The process of organizing and summarizing data. Usually done w…

Inferential Statistics

procedures used to draw conclusions about populations based on…

mean (M, mu, or X-bar)

median

mode

standard deviation (s.d. or lower-case…

numeric average: add the data values and divide by the number…

the middle-most term in a data set; the 50th percentile. Remem…

the most frequent or most commonly occurring term in the data…

standardized distance on either side of a normal (bell) curve.…

mean (M, mu, or X-bar)

numeric average: add the data values and divide by the number…

median

the middle-most term in a data set; the 50th percentile. Remem…

Margin Of Error

Confidence Level

point estimate

Confidence Interval

expresses the maximum expected difference between the true pop…

refers to the percentage of all possible samples that can be e…

a single value used to estimate the population parameter. For…

an interval computed from sample data in such a way that c is…

Margin Of Error

expresses the maximum expected difference between the true pop…

Confidence Level

refers to the percentage of all possible samples that can be e…

Distribution

variability

Mode

Mean

the spread of a set of data on a graph, chart, or plot

the extent to which scores differ from one another

The value that occurs most frequently in a given data set.

The average or central value of a set of quantities.

Distribution

the spread of a set of data on a graph, chart, or plot

variability

the extent to which scores differ from one another

Significance Test

Null Hypothessis

Alternative Hypthesis

One-Sided

A formal procedure for using observed data to decide between t…

Claim we weigh evidence against in a significance test

The claim that we are trying to find evidence for in a signifi…

It states that a parameter is larger than the null hypothesis…

Significance Test

A formal procedure for using observed data to decide between t…

Null Hypothessis

Claim we weigh evidence against in a significance test

Population

Sample

Sample Survey

Convenience Sample

The ... in a statistical study is the entire group of individu…

A subset of individuals in the population from which we actual…

A study that uses an organized plan to choose a sample that re…

Choosing individuals from the population who are easy to reach…

Population

The ... in a statistical study is the entire group of individu…

Sample

A subset of individuals in the population from which we actual…