The variance for the sample of student marks given in following table is: number marks of student 1-5 2 6-10 3 11-15 6 16-20 10 21-25 4. Total 25 Select one: a. 33.5 O b. 19 O C. 24.12 d. 32.16

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The variance for the sample of student marks given in following table is:
number
marks
of
student
1-5
2.
6-10
3
11-15
6.
16-20
10
21-25
4.
Total
25
Select one:
a.
33.5
b.
19
O C.
24.12
d.
32.16
Transcribed Image Text:The variance for the sample of student marks given in following table is: number marks of student 1-5 2. 6-10 3 11-15 6. 16-20 10 21-25 4. Total 25 Select one: a. 33.5 b. 19 O C. 24.12 d. 32.16
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