Question: answer Complete the following statements with the best answer. a. For the t test, one uses [ Select ] * instead of a. 4k b.

answer

Complete the following statements with the best answer. a. For the t test, one uses [ Select ] * instead of a. 4k b. The degrees of freedom for the ttest are = [ Select] am c. What test can be used to test the difference between two sample means when the population variances are known? [ Select] d. When the population standard deviation is unknown and the sample size is less than 30, [ Select] * distribution should be used in computing a confidence interval for a mean

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