Question Details

The probability distribution of the sample mean is 



1. The sample statistic s is the point estimator of
(i) (ii) (iii) x (iv) p
2. The sample mean is the point estimator of
(i) (ii) (iii) x (iv) p
3. The probability distribution of the sample mean is called the
(i) Central probability distribution (ii) sampling distribution of the mean
(iii) Random variation (iv) standard error
4. The expected value of the random variable x is,
(i) The standard error (ii) the sample size
(iii) The size of the population (iv) None of these
5. A normal population has a mean of 75 and a standard deviation of 8. A random
sample of 800 is selected. The expected value of x is,
(i)	75 (ii) 8 (iii) 7.5 (iv) p




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