A professor has kept records on grades that students have earned in his class. If he wants to examine the percentage of students earning the grades A, B, C, D, and F during the most recent term, which kind of plot could he make?
A) dotplot B) histogram C) timeplot D) pie chart E) boxplot
Question 2
Which of the following variables would most likely follow a Normal model?
A) scores on an easy test
B) family income
C) heights of singers in a co-ed choir
D) weights of adult male elephants
E) all of these
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