The boys who participate in athletics are taller than other

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A random sample has mean height of 80 boys, who participated in the athletic competition was 167 cm with a standard deviation of 9 cm. The mean height of the 160 boys who did not participate in the athletic competition was 163 cm with a standard deviation of 10 cm. test the hypothesis at 5% level of significance, whether the boys who participate in athletics are taller than the other.

Reference no: EM13964684

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