Question construct a 95 confidence interval for a

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QuestionConstruct a 95% confidence interval for a sampling distribution having amean of 25 and a size of 64. The standard deviation of the population fromwhich the samples are drawn is 4.24.02-25.9824.178-25.8225-95%24.094-25.906
Correct answer24.02-25.98QuestionWhich of the following is a characteristic of thez-test?
Correct answerAlways uses a normal distribution and applied when standard deviation is knownQuestion
As the confidence interval increases for the same sampling distribution, theabsolute value of the critical value __________.
QuestionAs the confidence level increases for the same sampling distribution, theconfidence interval __________.
QuestionConstruct a 90% confidence interval for a sampling distribution that has amean of 25 and a size of 64. The standard deviation of the population fromwhich the samples are drawn is 4.24.178–25.82224.094-25.90624.02-25.9810-90%Correct answer24.178–25.822

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