A sample of 900 members is found to have a mean of 3.4 cm. Can it be reasonably regarded a simple sample from a population with mean 3.25 and S.D. 2.61 cm ? Ans Z=1.72
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sample of 900 men
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Answer Expert Verified. A sample of 900 members is found to have a mean of 3.47 cm. As, 3.11 is an acceptable region, so the simple sample from a large population with mean 3.23 cm. and standard deviation 2.31 cm is reasonable.
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