# Study sets matching "math statistics chapter 2"

if data are discrete and have relativel…

If data are discrete, but are many diff…

Classes

Lower Class limit

categories of data; observations (qualitative data)

Categories created with intervals of numbers

Categories of data

Small value within the class

if data are discrete and have relativel…

categories of data; observations (qualitative data)

If data are discrete, but are many diff…

Categories created with intervals of numbers

Bar Graph

Histogram

Frequency Histogram

Circle Graph (Pie Chart)

a graph with bars that are of uniform width and are evenly spa…

a graph with bars that represent a range of values on the hori…

a histogram that shows the ratio between class frequency and t…

shows the total quantity divided into component parts using pr…

Bar Graph

a graph with bars that are of uniform width and are evenly spa…

Histogram

a graph with bars that represent a range of values on the hori…

Raw data

Frequency distibution

Relative frequency

frequency / sum of all frequencies

Data obtained through observational studies or designed experi…

Distribution that lists each category of data and the number o…

The proportion (or percent) of observations within a category

Formula of relative frequency

Raw data

Data obtained through observational studies or designed experi…

Frequency distibution

Distribution that lists each category of data and the number o…

What is the data in it's original, unor…

What is frequency distribution?

What's the most convenient method of or…

What's the most useful method of presen…

Raw Data

The Organization of Raw Data in Table Form, Using Classes and…

Frequency Distribution

Using Statistical Charts and Graphs

What is the data in it's original, unor…

Raw Data

What is frequency distribution?

The Organization of Raw Data in Table Form, Using Classes and…

Variable

Data

Univariate Data Set

Categorical/Qualitative Data

Any characteristics whose value may change from one individual…

Results from making observations either on a single variable o…

Data set consisting of observations on a single attribute.

Individual observations are categorical responses (brown, blue…

Variable

Any characteristics whose value may change from one individual…

Data

Results from making observations either on a single variable o…

Percentile

Frequency Graph

Relative Frequency Graph

Cumulative Relative Frequency Graph

The pth percentile of a distribution is the value with p perce…

A graph showing the counts of each class in a distribution.

A graph showing the percent values of each class from the whol…

The cumulative relative frequency of successive class is the r…

Percentile

The pth percentile of a distribution is the value with p perce…

Frequency Graph

A graph showing the counts of each class in a distribution.

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…

Bar Graph

Histogram

Frequency Histogram

Circle Graph (Pie Chart)

a graph with bars that are of uniform width and are evenly spa…

a graph with bars that represent a range of values on the hori…

a histogram that shows the ratio between class frequency and t…

shows the total quantity divided into component parts using pr…

Bar Graph

a graph with bars that are of uniform width and are evenly spa…

Histogram

a graph with bars that represent a range of values on the hori…

Raw Data

Variable

Observational Unit

Observation

Term used for numbers and category labels that have been colle…

A characteristic that can differ from one individual to the ne…

A single individual who participates in a study.

Used to describe the value of a single measurement.

Raw Data

Term used for numbers and category labels that have been colle…

Variable

A characteristic that can differ from one individual to the ne…

Frequency Distribution

Lower Class Limit

Upper Class Limit

Class Width

Table that shows classes or intervals of data entries with a c…

Least number that can belong to a class

Greatest number that can belong to a class

Distance between lower and upper limits of a consecutive class…

Frequency Distribution

Table that shows classes or intervals of data entries with a c…

Lower Class Limit

Least number that can belong to a class

Bar Graph

Class

Class Frequency

Class Midpoint

A graph made of bars whose heights represent the frequencies o…

An interval that includes all the values in a data set that fa…

The number of values in a data set that belong to a certain cl…

This is obtained by dividing the sum of the lower and upper li…

Bar Graph

A graph made of bars whose heights represent the frequencies o…

Class

An interval that includes all the values in a data set that fa…

frequency distribution

raw data

class

frequency

the organization of raw data in table form, using classes and…

when the data are in original form

each raw data value is placed into a quantitative or qualitati…

the number of data values contained in a specific class

frequency distribution

the organization of raw data in table form, using classes and…

raw data

when the data are in original form

bar graph

stacked bar graph

clustered bar graph

crosstabulation

graphical display of the categorical data where frequencies or…

bars divided into subparts of data and stacked on top of one a…

each set of bars represents a single category of one variable…

tabular method for simultaneously summarizing the data for two…

bar graph

graphical display of the categorical data where frequencies or…

stacked bar graph

bars divided into subparts of data and stacked on top of one a…

Percentile

Standardizing

Standardized Score

Multiply/Dividing a Constant

the value in a data set with p percent of values lower than it…

The conversion of observations from original values to standar…

Also known as the z-score. Tells how many standard deviations…

Affects measures of center and spread, but not shape

Percentile

the value in a data set with p percent of values lower than it…

Standardizing

The conversion of observations from original values to standar…

row of spreadsheets of SPSS data files

column of spreadsheets of SPSS data fil…

frequency distribution

frequency of tables in SPSS output

shows individual record

shows characteristic of the subjects in the study (constant or…

tabulation indicating the number of times a given score occurs…

used also to identify data entry errors

row of spreadsheets of SPSS data files

shows individual record

column of spreadsheets of SPSS data fil…

shows characteristic of the subjects in the study (constant or…

Class frequency (f)

Relative Frequency (rF)...

Percent frequency (%f)

Bar Graphs

the number of population members in that class...

the fraction of population members in that class... rf = f/n...

the percentage of population members in that class... %f = 100(r…

Class frequency (f)

the number of population members in that class...

Relative Frequency (rF)...

the fraction of population members in that class... rf = f/n...

Bar Graph

Histogram

Circle Graph (Pie Chart)

Line Graph

a graph with bars that are of uniform width and are evenly spa…

a graph with bars that represent a range of values on the hori…

shows the total quantity divided into component parts using pr…

A graph showing the data measurements in order over a length o…

Bar Graph

a graph with bars that are of uniform width and are evenly spa…

Histogram

a graph with bars that represent a range of values on the hori…

Frequency Distribution

Lower Class Limit

Upper Class Limit

Class Width

Table that shows classes or intervals of data entries with a c…

Least number that can belong to a class

Greatest number that can belong to a class

Distance between lower and upper limits of a consecutive class…

Frequency Distribution

Table that shows classes or intervals of data entries with a c…

Lower Class Limit

Least number that can belong to a class

raw data

class

frequency

frequency distribution

when data is in its original form

when each raw data value is placed into a quantitative or qual…

the number of data values contained in a specific class

the organization of raw data in table form, using classes and…

raw data

when data is in its original form

class

when each raw data value is placed into a quantitative or qual…

Bar graph

Pie chart

Line graph

Histogram

a graphical display of data using bars of different heights.

special chart that uses "pie slices" to show relative sizes of…

a graph that shows information is connected in someway (usuall…

a bar graph with the width of the bar represents a quantitativ…

Bar graph

a graphical display of data using bars of different heights.

Pie chart

special chart that uses "pie slices" to show relative sizes of…

pth percentile

Cumulative relative frequency graph

Standardized value (z-score)

Density Curve

the value with p percent of the observations less than it

helps to examine location within a distribution

In a distribution with known mean and standard deviation, this…

Often used to describe the overall pattern of a distribution.…

pth percentile

the value with p percent of the observations less than it

Cumulative relative frequency graph

helps to examine location within a distribution

Percentile

Frequency Graph

Relative Frequency Graph

Cumulative Relative Frequency Graph

the value in a data set with p percent of values lower than it…

A graph showing the counts (or frequency) of each class in a d…

A graph showing the percent values of each class from the whol…

The cumulative relative frequency of successive class is the r…

Percentile

the value in a data set with p percent of values lower than it…

Frequency Graph

A graph showing the counts (or frequency) of each class in a d…

Mean

Median

Mode

Outlier

value that represents a typical, or central, entry of a data s…

value in the data set that lies

data entry that occurs with the greatest frequency

a data entry that is far removed from the other entries in the…

Mean

value that represents a typical, or central, entry of a data s…

Median

value in the data set that lies

Frequency Table

Class Lower Limit

Class Upper Limit

Class Width

A table that shows the total for each category or group of dat…

Lowest data value that can fit in a class.

Highest data value that can fit in a class.

Lower Limit of Class #2 - Lower Limit of Class #1... HIGH - LOW…

Frequency Table

A table that shows the total for each category or group of dat…

Class Lower Limit

Lowest data value that can fit in a class.