Question

2. In a country called Karpee's Nation, Sixty (60) persons were asked about their ages in...

2. In a country called Karpee's Nation, Sixty (60) persons were asked about their ages in completed years and they responded as follow:

34 34 40 42 40 42 29 30 28 44 25 37 37 42 29 33   

34 29 43 41 25 40 37 33 32 37 40 51 28 27 31 64   

38 40 30 41 51 30 48 24 28 33 35 40 31 29 35 46

27 34 28 29 35 30 29 40 32 39 28 41

a) Construct a frequency distribution b) Calculate the midpoints c) Compute the relative

frequency and d) Compute cumulative frequencies.

4. For the grouped data in question No. 2, solve for the Arithmetic mean, the Mode and Median respectively.

6. Also for the grouped data in question No. 2, draw a histogram and a frequency polygon.

Homework Answers

Answer #1

Solution:-

2 a)

Class interval Frequency x Relative frequency Cumulative frequency F*X
20 to 30 16 25 0.2667 16 400
30 to 40 24 35 0.40 40 840
40 to 50 17 45 0.2833 57 765
50 to 60 2 55 0.0333 59 110
60 to 70 1 65 0.0167 60 65
Sum 60 1.0 2180

4)

6)

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