Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

a: top 7% of score b: scores below the top 7% and above the bottom 61% c: scores below the top 39 and above the bottom 16% d: scores below the top 84 and above them bottom 8% f: bottom 8% mean of 73.8 standard deviation of 8.6 find the limits of a C

Mar 3rd, 2015

S.No grade percentage students no of students 
a 93-100 7 5.166 5
b 61-93 32 23.616 24
c 16-61 45 33.21 33
d 8_16 8 5.904 6
f 0-8 8 5.904 6
upper limit =33 + 3 * 8.6/(100)^0.5=36

lower limit=30


May 1st, 2015

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