A sample of 400 items is taken from a normal population population whose mean as well as varience is 4.if the sample mean is 4.5, can the sample be regarded as a turly random sample?
Asked by Rupali Sharma | 29th May, 2014, 09:14: PM
Expert Answer:

Answered by Dharma Teja | 4th Jun, 2014, 02:54: PM
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