A grouped frequency distribution is used when
a. there are too many different scores to produce an efficient frequency table or graph.
b. there are too many scores to produce an efficient frequency table or graph.
c. one wants more detailed information about frequencies than one can get from a frequency table.
d. there are about 10 rows in a frequency table.
Question 2
The distinguishing characteristic of the frequency polygon is
a. the bars are shaded in.
b. the graph is created by connecting the dots with straight lines.
c. the graph does not center the bars over the scores on the X axis.
d. the graph centers the bars over the scores on the X axis.
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