STAT 101
University of Chicago
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STAT 101-MIDTERM EXAM NOTES
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STAT 101-MIDTERM EXAM NOTES 
6. How many of the students surveyed eat at least four servings of fruits and 
vegetables daily? 8+3+1=12 
7. What percentage of the students surveyed eat no more than three servings of 
fruits and vegetables daily? 62.5% (10+5+4+1=20/ 
1+4+5+10+8+3+1=32 hence 20/32 = 62.5%) 
8. What proportion of the students surveyed eat exactly five servings of fruits 
and vegetables daily?3/32=.0937 round to .094 
Number of calls made Frequency 
1-4 16 
5-8 11 
9-12 5 
13-16 3 
1...
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