Which of the following statements are true concerning the mean of the difference

Question

Which of the following statements are true concerning the mean of the differences between two dependent samples? (matched pairs)? Select all that apply. A. The requirement of a simple random sample is satisfied if we have independent pairs of voluntary response data. B. The methods used to evaluate the mean of the differences between two dependent variables apply if one has 61 weights of men from Ohio and 61 weights of men from Texas. C. If one wants to use a confidence interval to test the claim that mu Subscript d Baseline greater than 0 with a 0.01 significance? level, the confidence interval should have a confidence level of 98?%. D. If one has five matched pairs of sample? data, there is a loose requirement that the five differences appear to be from a normally distributed population. E. If one has more than 16 matched pairs of sample? data, one can consider the sample to be large and there is no need to check for normality.

Explanation / Answer

Solution:-

=> option C. If one wants to use a confidence interval to test the claim that mu Subscript d Baseline greater than 0 with a 0.01 significance? level, the confidence interval should have a confidence level of 98?%.

=> option D. If one has five matched pairs of sample? data, there is a loose requirement that the five differences appear to be from a normally distributed population.

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