Question 1: A random sample of nine from the men of a large city gave a mean height of 68 inches, and the unbiased estimate of the population variance from sample, variance was 4.5 inches. Are these data consistent with the assumption of a mean height of 68.5 inches for the men of the city?
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a random sample of nine individuals from a large city have a mean height of 68 inches and the unbiased estimate of population variance found from the same sample was 4.5 inches. Test the hypothesis from the mean height of the individual of the city is 68.5 inches using a level of significance of 0.05.
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