# Study sets matching "ap statistics chapter 3"

Study sets

Classes

Users

Response variable

Explanatory variable

Scatterplots

Positive association

Measures the outcome of a study, dependent variable, y

Attempts to explain observed outcomes, indepdent variable, x

Show the relationship betweeen two quantitive variables (bivar…

As x increases, y increases

Response variable

Measures the outcome of a study, dependent variable, y

Explanatory variable

Attempts to explain observed outcomes, indepdent variable, x

Response Variable

Explanatory Variable

Scatterplot

Positive Association

Measures an outcome of a study

Helps explain or influences changes in a response variable

A graphed cluster of points each of which represents the value…

Data points that generally go upward from left to right, somew…

Response Variable

Measures an outcome of a study

Explanatory Variable

Helps explain or influences changes in a response variable

Response variable

Explanatory variable

Scatterplots

When the variables aren't dependent, th…

Measures the outcome of a study, dependent variable, y

Attempts to explain observed outcomes, indepdent variable, x

Show the relationship betweeen two quantitive variables (bivar…

Independent, x

Response variable

Measures the outcome of a study, dependent variable, y

Explanatory variable

Attempts to explain observed outcomes, indepdent variable, x

Scatterplot

Explanatory Variable

Response Variable

DOFS

Displays the relationship between 2 quantitative variables... 1 v…

When x helps predict y, goes on x-axis

When y is predicted by x, goes on y axis

Direction, Outliers, Form, Strength

Scatterplot

Displays the relationship between 2 quantitative variables... 1 v…

Explanatory Variable

When x helps predict y, goes on x-axis

frequency distribution

Comparative bar chart

pie chart

Segmented bar chart

A table that displays frequencies and sometimes relative and c…

two or more bar charts that use the same set of horizontal and…

a graph of a frequency distribution for a categorical data set.

A graph of a frequency distribution for a categorical data set…

frequency distribution

A table that displays frequencies and sometimes relative and c…

Comparative bar chart

two or more bar charts that use the same set of horizontal and…

Response variable

Explanatory variable

Scatterplots

When the variables aren't dependent, th…

Measures the outcome of a study, dependent variable, y

Attempts to explain observed outcomes, indepdent variable, x

Show the relationship betweeen two quantitive variables (bivar…

Independent, x

Response variable

Measures the outcome of a study, dependent variable, y

Explanatory variable

Attempts to explain observed outcomes, indepdent variable, x

Scatterplot

Explanatory Variable

Response Variable

DOFS

Displays the relationship between 2 quantitative variables... 1 v…

When x helps predict y, goes on x-axis

When y is predicted by x, goes on y axis

Direction, Outliers, Form, Strength

Scatterplot

Displays the relationship between 2 quantitative variables... 1 v…

Explanatory Variable

When x helps predict y, goes on x-axis

3 Things you should always do first wit…

Relative Frequency Table (distribution…

Distribution of a variable

Area Principle

1. Make a picture- a display to help you THINK... 2. Picture- SHO…

Lists the categories in a categorical variable and the percent…

Tells us what values a variable takes and how often

Each data value should be represented by the same amount of ar…

3 Things you should always do first wit…

1. Make a picture- a display to help you THINK... 2. Picture- SHO…

Relative Frequency Table (distribution…

Lists the categories in a categorical variable and the percent…

Explanatory Variable

Response Variable

Scatterplot

Positive Association

Attempts to explain the observed outcome

Outcomes of study

Graphical Representation to display the relation between two q…

Positive slope direction

Explanatory Variable

Attempts to explain the observed outcome

Response Variable

Outcomes of study

Frequency table

Relative frequency table

Distribution

Area principle

lists the categories in a categorical variable and gives the c…

A frequency table that gives percentage values of each category

gives the possible values of the variable and the relative fre…

In a statistical display, each data value should be represente…

Frequency table

lists the categories in a categorical variable and gives the c…

Relative frequency table

A frequency table that gives percentage values of each category

Explanatory Variable

Response Variable

Scatterplot

Direction

May help explain or predict changes in a response variable. Th…

Measures an outcome of a study. The y value in a scatterplot.

Shows the relationship between two quantitative variables meas…

The movement of the overall pattern in a scatterplot. Reading…

Explanatory Variable

May help explain or predict changes in a response variable. Th…

Response Variable

Measures an outcome of a study. The y value in a scatterplot.

Pie Chart

Outliers

Bar Chart

Segmented Bar Chart

Qualitative data display that shows how a "whole" divides into…

Individual observation(s) that falls outside the overall patte…

Qualitative display showing the frequency or relative frequenc…

Qualitative display where sub-categories are represented by a…

Pie Chart

Qualitative data display that shows how a "whole" divides into…

Outliers

Individual observation(s) that falls outside the overall patte…

Frequency Table

Distribution

Area Principle

Bar Chart

List the categories in a categorical variable and gives the co…

gives the possible values of the variable and the relative fre…

In a statistical display, each data value should be represente…

a chart that shows a bar representing the count of each catego…

Frequency Table

List the categories in a categorical variable and gives the co…

Distribution

gives the possible values of the variable and the relative fre…

Response Variable

Explanatory Variable

Scatterplot

Positive Association

measures an outcome of a study

may help explain or predict changes in a response variable

shows the relationship between two quantitative variables meas…

data points that generally go upward from left to right, somew…

Response Variable

measures an outcome of a study

Explanatory Variable

may help explain or predict changes in a response variable

Scatterplot

Explanatory Variable

Response Variable

Outlier

Plot that shows the relationship between two quantitative vari…

Variable that may help explain or predict changes in a respons…

Variable that measures an outcome of a study.

Individual value that falls outside the overall pattern of a d…

Scatterplot

Plot that shows the relationship between two quantitative vari…

Explanatory Variable

Variable that may help explain or predict changes in a respons…

Response variable

Explanatory variable

Correlation (r)

Words to describe strength

Measures the outcome of a study, dependent variable, y

Attempts to explain observed outcomes, indepdent variable, x

Measures strength and direction ( + or - )

Strong (when r is close to 1 or -1), moderately strong/weak, w…

Response variable

Measures the outcome of a study, dependent variable, y

Explanatory variable

Attempts to explain observed outcomes, indepdent variable, x

Response variable

Explanatory variable

Scatterplot

Positive association

Measures the outcome of a study, dependent variable

May help explain or predict changes in a response variable, in…

Shows the relationship between two quantitive variables measur…

Two variables have a __________ when above average values of o…

Response variable

Measures the outcome of a study, dependent variable

Explanatory variable

May help explain or predict changes in a response variable, in…

response variable

explanatory variable

scatterplot

how to make a scatterplot

measures the outcome of a study

help explain or influence changes in response variable

shows the relationship between two quantitative variables meas…

1. decide which variable should go on each axis... 2. label and s…

response variable

measures the outcome of a study

explanatory variable

help explain or influence changes in response variable

Response Variable

Explanatory Variable

Scatterplot

Positive Association

measures an outcome of a study

may help explain or predict changes in a response variable

shows the relationship between two quantitative variables meas…

data points that generally go upward from left to right, somew…

Response Variable

measures an outcome of a study

Explanatory Variable

may help explain or predict changes in a response variable

Response variable

Explanatory variable

Scatterplots

Positive association

Measures the outcome of a study, dependent variable, y

Attempts to explain observed outcomes, indepdent variable, x

Show the relationship betweeen two quantitive variables (bivar…

As x increases, y increases

Response variable

Measures the outcome of a study, dependent variable, y

Explanatory variable

Attempts to explain observed outcomes, indepdent variable, x

scatterplot

explanatory variable

response variable

examining a scatterplot

displays the relationship between two quantitative variables m…

a variable x which we think may help explain, predict, or caus…

a variable y that is dependent on the explanatory variable

look for direction, form, strength, and outliers

scatterplot

displays the relationship between two quantitative variables m…

explanatory variable

a variable x which we think may help explain, predict, or caus…

Response Variable

Explanatory Variable

DOFS

Correlation

Measures the outcome of a study. Y

May help explain/predict changes in a response variable. X

Direction, Outliers, Form, Strength

r

Response Variable

Measures the outcome of a study. Y

Explanatory Variable

May help explain/predict changes in a response variable. X

distribution

histogram

gap

stem-and-leaf display

(of a quantitative variable) slices up all the possible variab…

uses adjacent bars to show the distribution of a quantitative…

a region of the distribution where there are no values

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

distribution

(of a quantitative variable) slices up all the possible variab…

histogram

uses adjacent bars to show the distribution of a quantitative…

Frequency Table

Distribution

Area Principal

Bar Graph

List by categories and provides percents or numbers

The values that are presented

Data value should be presented with the same amount of data.

Organizes categorical data

Frequency Table

List by categories and provides percents or numbers

Distribution

The values that are presented

Strength, Direction, Form (Context), an…

when there is an experiment testing the…

extrapolate beyond your data

| 0.7 to 1.0 |

What should you include when describing a scatterplot?

When is the only time you can assume causation?

What is dangerous to do?

When is a correlation strong?

Strength, Direction, Form (Context), an…

What should you include when describing a scatterplot?

when there is an experiment testing the…

When is the only time you can assume causation?