The symbol for the mean is _____.
a. c. m
b. n d. H0
When calculating the mean, the first step is to _____.
a. rank order the scores from highest to lowest
b. group the responses into categories
c. add all the scores
d. divide the number of scores by the number of respondents
The mean is more useful than the frequency distribution _____.
a. when some people refuse to participate in the research
b. when the number of different scores possible is large
c. when nonhuman research participants are being tested
d. all of these
If I wanted to make a frequency distribution of which movies were most popular with teenage girls, I might group the movies into groups such as comedies, thrillers, romances, and animal stories. These groups would constitute the _____ in the frequency distribution.
a. counts c. categories
b. respondents d. frequencies
In a frequency distribution, the highest frequency equals
a. the final category c. the number of categories
b. the highest count d. n
In a frequency distribution, the total of the frequencies always sums to _____.
a. zero c. the number of respondents
b. the number of questions d. the number of choices provided
How many columns are there in a frequency distribution?
a. one c. three
b. two d. four
In a frequency distribution, another word for frequency would be _____.
a. count c. easy
b. common d. tabular
The frequency distribution is a type of _____ statistic.
a. hypothetical c. inferential
b. descriptive d. nonnumeric
Scientists use _____ statistics to accurately describe the empirical facts discovered in research.
a. organizational c. hypothetical
b. descriptive d. inferential
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