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8.  Find the relative frequency distribution from the following frequency distribution:

Weights

frequency

140 – 149

1

150 – 159

3

160 – 169

11

170 – 179

26

180 – 189

14

190 - 199

6

Weights

relative frequency

140 – 149

0.016

150 – 159

0.049

160 – 169

0.180

170 – 179

0.426

180 – 189

0.230

190 - 199

0.098