Question
The following frequency distribution table shows 25 responses. Hours studied number of students 3 to 7 hours 4 8 to 12 hours 7 13 to
The following frequency distribution table shows 25 responses.
Hours studied number of students
3 to 7 hours 4
8 to 12 hours 7
13 to 17 hours 9
18 to 22 hours 5
Considering the information above, what is sample variance of the hours studied for the exam
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Mathematical Excursions
Authors: Richard N Aufmann, , Joanne Lockwood, Richard D Nation, Daniel K Clegg
3rd Edition
1305161793, 9781305161795
