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8.The heights of 5 boys in a group are : 152 cm, 170cm, 156 cm, 164 cm and 158 cm. Find themean height.a) 170 cmb) 180 cmc) 190 cmd) 160 cm9. The mean ofthe

Answer»

mean height = (152+170+156+164+158)/5 = 800/5 = 160 cm



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