Question
:
5 marks
For the data given in table 2, find
the Variance and Standard deviation using 7 classes
34
19
32
19
30
19
29
18
21
27
20
20
33
30
32
44
39
46
21
54
18
51
49
21
38
24
18
37
29
22
Table 2
Question :
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