Zahoor Ahmad

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1

The body temperature (C^o) of male students are recorded as:

36.7, 37.0, 36.9, 37.0, 36.8, 36.5, 37.3, 36.4, 36.7, 36.9, 35.0, 35.1, 36.6, 37.8, 36.5, 35.3, 36.9, 37.0, 36.5, 35.8, 36.3, 37.0, 36.8, 37.0, 36.8, 36.1, 35.8, 35.7, 35.5, 35.2, 35.9, 36.7, 36.9

a)

Find median of ungrouped data.

b)

Make a frequency distribution taking suitable class interval.

c)

Find median of frequency distribution in part(b) and calculate the difference between both medians.

2

Compute Index Number from the following prices using (i) Mean

(ii) Median and (iii) G.M as an average. Taking 2010 as base year.

3

Find Karl Pearson's coefficient of skewness and Bowley's coefficient of skewness.

Also find coefficient of variation.

b)

c)

3.

a)

b)

c)

d)

4

a)

b)

c)

5

a)

b)

6

a)

b)

7

a)

b)

8

a)

b)