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Measures Of Dispersion

Question
CBSEENST11024396

Below is given the height of 100 men. Calculate dispersion by range method.

Height in Centimetres

No. of Persons

Less than 162

2

Less than 163

8

Less than 164

19

Less than 165

32

Less than 166

45

Less than 166

58

Less than 167

85

Less than 168

93

Less than 169

100

Solution

Calculation of Dispersion by Range Method:

Height in Centimetres

No. of Persons

161 – 162

22

162 – 163

6

163 – 164

11

164 – 165

13

165 – 166

13

166 – 167

13

167 – 168

27

168 – 169

8

169 – 170

7

Total

100