Suppose that the distribution of the heights of men who reside in a certain large city is

Question:

Suppose that the of the heights of men who reside in a certain large city is the normal for which the mean is 68 inches and the standard deviation is 1 inch. Suppose also that when the heights of 500 men who reside in a certain neighborhood of the city were measured, the in Table 10.4 was obtained. Test the hypothesis that, with regard to height, these 500 men form a random sample from all the men who reside in the city.
Table 10.4 Data for Exercise 8
Height Number of men
Less than 66 in………………….. 18
Between 66 and 67.5 in………… 177
Between 67.5 and 68.5 in………. 198
Between 68.5 and 70 in………… 102
Greater than 70 in………………. 5
Distribution
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