House freshmen: Newly elected members of the U. S. House of Representatives are referred to as ‘‘freshmen.’’ The following frequency distribution presents the number of freshmen elected in each of the past 51 elections, from 1912 to 2012.
a. How many classes are there?
b. What is the class width?
c. What are the class limits?
d. Construct a frequency histogram.
e. Construct a relative frequency distribution.
f. Construct a relative frequency histogram.
g. In what percentage of elections were 100 or more freshmen elected?
h. In what percentage of elections were fewer than 60 freshmen elected?

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