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4 A school nurse measured the heights of all 15 year old male students in...

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4 A school nurse measured the heights of all 15 year old male students in the school By the end of the day he measured the heights of 57 boys and calculated a mean of 68 1 inches He knows that for this population 67 inches and o 3 19 inches a Calculate the z score for the sample mean b Is it likely or unlikely that this sample was drawn from the population c Why or why not

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4 A school nurse measured the heights of all 15 year old male students in the school By the end of the day he measured the heights of 57 boys and calculated a mean of 68 1 inches He knows that for this population 67 inches and o 3 19 inches a Calculate the z score for the sample mean b Is it likely or unlikely that this sample was drawn from the population c Why or why not

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