Solution-Population of all sample means is normally

Population of all sample means is normally distributed

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Reference no: EM13236753

1 A sample size of 900 is not large enough to conclude that the sampling distribution of p is a normal distribution, when the estimate of the population proportion is 0.995.

2 .The standard deviation of all possible sample proportions increases as the sample size increases.

3. For any sampled population, the population of all sample means is normally distributed.

4. The mean of the sampling distribution of X‾ is always equal to the mean of the sampled population.

5. The reason sample variance has a divisor of n-1 rather than n is that it makes the standard deviation an unbiased estimator of the population standard deviation.

Reference no: EM13236753

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Population of all sample means is normally distributed

Reference no: EM13236753

Reference no: EM13236753

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