Solve the Following Question.(5 Marks)

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4 questions · self-marked practice — reveal the answer and mark yourself.

Question 15 Marks

Calculate Bowley’s coefficient of skewness Skb from the following data.

Marks above	0	10	20	30	40	50	60	70	80
No. of student	120	115	108	98	85	60	18	5	0

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Question 25 Marks

Calculate Karl Pearsonian’s coefficient of skewness Skp from the follow ing data:

Marks above	0	10	20	30	40	50	60	70	80
No of students	120	115	108	98	85	60	18	5	0

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Question 35 Marks

Calculate $Sk _{ b }$ for the following set of observations of the yield of wheat in kg from 13 plots:
$4.6,3.5,4.8,5.1,4.7,5.5,4.7,3.6,3.5,4.2,3.5,3.6,5.2$

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Question 45 Marks

Obtain coefficient of skewness by formula and comment on the nature of the distribution.

Height in inches	No. of Females
Less than 60	10
60-64	20
64-68	40
68-72	10
72-76	2

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Maths (commerce) Solve the Following Question.(5 Marks)

Solve the Following Question.(5 Marks)

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