20 Jan Three worked through solution
Three worked through solutions for statistics students
Suppose you have drawn a sample of size 200 from a college and, for each student, recorded the gender of the student, and how interested the student was in watching sports on television on a 1-7 scale (1: not interested at all, 7: very interested). The results are summarized as the following cross-tabulation:
Interest
Gender 1 2 3 4 5 6 7
Female 7 28 25 30 8 12 10
Male 4 4 2 10 12 18 30
Interest
Gender 1 2 3 4 5 6 7
Female 7 28 25 30 8 12 10
Male 4 4 2 10 12 18 30
Define a student as “interested” if her/his interest in watching sports on television is 5, 6, or
7 on the 1-7 scale.
3.(a) Let p denote the proportion of the overall sample who are “interested.” What is p?
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