# 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.

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.

Anecdotal Evidence

Experiment

Treatment

Random Assignment

- Ideas from situations that have little scientific value ... - E…

- Study in which experimenter actively imposes treatment on su…

- Explanatory variable imposed on group

- Preferred method of assigning subjects to treatments ... - Each…

Anecdotal Evidence

- Ideas from situations that have little scientific value ... - E…

Experiment

- Study in which experimenter actively imposes treatment on su…

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…

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…

bell curve

statistic

variance

standard deviation

the shape of a normal or standard normal distribution

a data value that summarizes something about a population or s…

standard deviation squared; measures the spread of the data

represented by sigma; measures the spread of the data

bell curve

the shape of a normal or standard normal distribution

statistic

a data value that summarizes something about a population or s…

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…

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

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…

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.

Symmetric

Parameter

Statistic

Median

data on which both sides are fairly the same shape and size. "…

value of a population (typically unknown)

a calculated value about a population from a sample(s).

the middle point of the data (50th percentile) when the data i…

Symmetric

data on which both sides are fairly the same shape and size. "…

Parameter

value of a population (typically unknown)

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…

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…

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…

Population

Experiment

Sample

Statistics

collection of all outcomes, responses, measurements or counts…

a treatment is applied to part of a population and responses a…

subset of a population

science of collecting, organizing, analyzing, and interpreting…

Population

collection of all outcomes, responses, measurements or counts…

Experiment

a treatment is applied to part of a population and responses a…

Statistics

Population

Sample

Parameter

Science of collecting, organizing, analyzing, and interpreting…

Collection of all outcomes, responses measurements, or counts…

Subset, or part, of a population.

Numerical description of a population characteristic.

Statistics

Science of collecting, organizing, analyzing, and interpreting…

Population

Collection of all outcomes, responses measurements, or counts…

Statistical Question

Measure of Center

Mean

Median

A question that has variable answers.

A single number used to describe a set of data.

"Average;" the sum of all the data values, divided by the numb…

"Middle;" the middle value of an ordered data set.

Statistical Question

A question that has variable answers.

Measure of Center

A single number used to describe a set of data.

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…

Statistics

Population

Sample

Variable

refers to a set of mathematical procedures for organizing, sum…

is the entire set of the individuals of interest for a particu…

is a set of individuals selected from a population, usually in…

an attribute of elements of a population or sample that can be…

Statistics

refers to a set of mathematical procedures for organizing, sum…

Population

is the entire set of the individuals of interest for a particu…

histogram

stem-and-leaf plot

dotplot

mode

Uses adjacent bars to show the distribution of values in a qua…

Shows quantitative data values in a way that sketches the dist…

Graphs a dot for each case against a single axis

A hump or high point in the shape of the distribution of a var…

histogram

Uses adjacent bars to show the distribution of values in a qua…

stem-and-leaf plot

Shows quantitative data values in a way that sketches the dist…