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1.The heights of 5 boys in a group are:152 cm, 170 cm, 156 cm, 164 cm and 158 cm. Find the mean height. |
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Answer» Mean height = sum of all heights/no. of boys = (152 + 170 + 156 + 164 + 158)/5 = 800/5 = 160cm mean = average of 5 heights = (152+170+156+164+158)/5 = 800/5 = 160cm |
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