# Shared Flashcard Set

## Details

Statistics Test 1
Chap. 3
14
Sociology
Undergraduate 1
02/16/2009

## Cards Return to Set Details

Term
 A histogram is commonly used for continuous variables.
Definition
 True
Term
 The histogram is the next best alternative for displaying information about nominal variables.
Definition
 False
Term
 In a pie chart, the size of the slices depends on whether proportions or percentages are displayed.
Definition
 False
Term
 A bar graph is an appropriate graphic device for nominal and ordinal level variables.
Definition
 True
Term
 A frequency polygon is an appropriate graphic device for nominal and ordinal level variables.
Definition
 False
Term
 In a pie chart, the slices of the pie should sum to _____. a. N, in the case frequenciesb. 1.0, in the case of proportionsc. 100, in the case of percentagesd. all of the above
Definition
 d
Term
 Typically, the vertical axis of a histogram is used to display the _____. a. proportion, but not the frequency or percentageb. percentage, but not the frequency or proportionc. frequency, but not the proportion or percentaged. depending on which is used, the vertical axis displays the frequency, the proportion, or the percentage
Definition
 d
Term
 A chart displaying changes in a variable at different points in time is known as a _____?
Definition
 time series chart
Term
 For which of the following would a pie chart be least appropriate? a. a grouped interval/ratio variableb. a nominal variablec. an ungrouped interval/ratio variabled. an ordinal variable
Definition
 c
Term
 Which of the following is most appropriate for graphing a nominal variable? a. stem and leaf plotb. bar chartc. frequency polygond. histogram
Definition
 b
Term
 For which of the following variables should the bars in a graph be separated rather than contiguous? a. occupationb. years of educationc. incomed. age
Definition
 a
Term
 Which of the following will visually exaggerate the differences in a bar graph? a. using frequencies in a graphb. using percentages in a graphc. making the vertical axis shorterd. all of the above
Definition
 d
Term
 In a time series chart, which variable of interest is usually placed along the horizontal axis?
Definition
 time
Term
 A graph showing the differences in frequencies, proportions, or percentages among the categories of an interval/ratio variable is referred to as a _____.
Definition
 histogram
Supporting users have an ad free experience!