Question

2.
lengths (in inches). Find Karl Pearson's coefficient of skewness from these data and interpret it
The following distribution shows purchase of T-shirts by 270 customers according to the shouk
11
15.0 15.5
14.0 14.5
13.5
Shoulder length of shirts (inches) 12.0 12.5 13.0
differ
56
56
37
47
16
calle
3
No. of customers
30
5
20
(in completed minutes) by each worker to co​

Answer 1

Karl Pearson's coefficient of skewness =

S.D.

Mean−Mode

∴0.32=

6.5

29.6−Mode

⇒Mode=27.52 Also Karl Pearson's coeff.of skewness =

S.D

3(Mean−Median)

∵0.32=

6.5

3(29.6−Median)

⇒Median=28.91

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