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4 May, 21:19

The measurements on height have to be converted from inches to centimeters for publication in a British journal. The mean in the study was 68 inches and the standard deviation was 10 inches. What should the reported mean and variance be

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  1. 4 May, 21:35
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    mean = 172.72cm and variance = 645.16

    Step-by-step explanation:

    1 inch = 2.54 centimetres

    mean = 68 * 2.54 = 172.72 cm

    standard deviation = 10 * 2.54 = 25.4 cm

    variance = square of standard deviation

    variance = 25.4 * 25.4

    variance = 645.16 cm
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