Question

Continuous Series
Cs.
No. of studenk.
of
is
a-lo
10-20
20-30
30-40
15
22
1.8
។ 7
IN=70
5 СО
8
2252
25-1550 45
35 630 63
MS 315 70
yo.80
mean​

Answer 1

Answer:

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