#### Study sets matching "ap statistics chapter 3"

#### Study sets matching "ap statistics chapter 3"

Response variable

Explanatory variable

Scatterplots

When the variables aren't dependent, t…

Measures the outcome of a study, dependent variable, y

Attempts to explain observed outcomes, indepdent variable, x

Show the relationship betweeen two quantitive variables (biva…

Independent, x

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 valu…

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

Response Variable

Measures an outcome of a study

Explanatory Variable

Helps explain or influences changes in a response variable

Scatterplot

Explanatory Variable

Response Variable

DOFS

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

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…

Explanatory Variable

When x helps predict y, goes on x-axis

3 Things you should always do first wi…

Relative Frequency Table (distribution…

Distribution of a variable

Area Principle

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

Lists the categories in a categorical variable and the percen…

Tells us what values a variable takes and how often

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

3 Things you should always do first wi…

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

Relative Frequency Table (distribution…

Lists the categories in a categorical variable and the percen…

frequency distribution

Comparative bar chart

pie chart

Segmented bar chart

A table that displays frequencies and sometimes relative and…

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

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

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

frequency distribution

A table that displays frequencies and sometimes relative and…

Comparative bar chart

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

Response variable

Explanatory variable

Scatterplots

When the variables aren't dependent, t…

Measures the outcome of a study, dependent variable, y

Attempts to explain observed outcomes, indepdent variable, x

Show the relationship betweeen two quantitive variables (biva…

Independent, x

Response variable

Measures the outcome of a study, dependent variable, y

Explanatory variable

Attempts to explain observed outcomes, indepdent variable, x

Frequency table

Relative frequency table

Distribution

Area principle

lists the categories in a categorical variable and gives the…

A frequency table that gives percentage values of each category

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

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

Frequency table

lists the categories in a categorical variable and gives the…

Relative frequency table

A frequency table that gives percentage values of each category

Scatterplot

Explanatory Variable

Response Variable

DOFS

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

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…

Explanatory Variable

When x helps predict y, goes on x-axis

Explanatory Variable

Response Variable

Scatterplot

Direction

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

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

Shows the relationship between two quantitative variables mea…

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

Explanatory Variable

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

Response Variable

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

Explanatory Variable

Response Variable

Scatterplot

Positive Association

Attempts to explain the observed outcome

Outcomes of study

Graphical Representation to display the relation between two…

Positive slope direction

Explanatory Variable

Attempts to explain the observed outcome

Response Variable

Outcomes of study

distribution

histogram

gap

stem-and-leaf display

slices up all the possible variable slices up all the possibl…

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 dis…

distribution

slices up all the possible variable slices up all the possibl…

histogram

uses adjacent bars to show the distribution of a quantitative…

Scatterplot

Explanatory Variable

Response Variable

Outlier

Plot that shows the relationship between two quantitative var…

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

Variable that measures an outcome of a study.

Individual value that falls outside the overall pattern of a…

Scatterplot

Plot that shows the relationship between two quantitative var…

Explanatory Variable

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

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 mea…

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

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

Direction

Shows the relationship between 2 quantitative variables measu…

Help explain or influence changes in a response variable. The…

Measures an outcome of a study. The x-axis.

Positive, negative or no direction.

Scatterplot

Shows the relationship between 2 quantitative variables measu…

Explanatory Variable

Help explain or influence changes in a response variable. The…

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 varia…

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 dis…

distribution

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

histogram

uses adjacent bars to show the distribution of a quantitative…

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 mea…

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

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 mea…

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

Response Variable

measures an outcome of a study

Explanatory Variable

may help explain or predict changes in a response variable

Association ... (strong,moderate,weak)

Response variable

Explanatory variable

Direction

Represent the pattern of data

Dependant variable

Independant variable

-positvly associated... Negation association

Association ... (strong,moderate,weak)

Represent the pattern of data

Response variable

Dependant variable

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), a…

when there is an experiment testing th…

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), a…

What should you include when describing a scatterplot?

when there is an experiment testing th…

When is the only time you can assume causation?

response variables

explanatory variable

scatterplot

what axis does the eXplanatory variabl…

measures an outcome of a study. Also called Independent Varia…

helps explain or influence changes in a response variable.…

shows the relationship between two quantitative variables mea…

the eXplanatory variable is always drawn on the horizontal X-…

response variables

measures an outcome of a study. Also called Independent Varia…

explanatory variable

helps explain or influence changes in a response variable.…

scatter plot

Form, Direction, Strength

Correlation Coefficient

equation for r

shows relationship between 2 variables measured on the same i…

Form (cluster of points, groups, outliers, gaps) Direction (p…

measures direction and strength of relationship, always a num…

r=(1/n) E (x-mean of x/std dev of x) (y-mean of y/std dev of y)

scatter plot

shows relationship between 2 variables measured on the same i…

Form, Direction, Strength

Form (cluster of points, groups, outliers, gaps) Direction (p…

Frequency distribution

Comparative bar chart

Pie chart

Stem-and-leaf plot

A table that displays frequencies, and sometimes relative and…

Two or more bar charts that use the same set of horizontal an…

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

A method of organizing numerical data in which the stem value…

Frequency distribution

A table that displays frequencies, and sometimes relative and…

Comparative bar chart

Two or more bar charts that use the same set of horizontal an…

Explanatory Variable

Response Variable

Scatterplot

Positive Association

Attempts to explain the observed outcomes.

Outcomes of study.

Graphical representation to display the relation between two…

Positive slop direction.

Explanatory Variable

Attempts to explain the observed outcomes.

Response Variable

Outcomes of study.