T-Distribution.docx - Question Construct a 93% confidence...

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QuestionConstruct a 93% confidence interval for a sampling distribution that has amean of 150, a standard deviation of 20, and a size of 16.139.34-160.66140.25-159.757-93%141.25-158.77
Correct answer140.25-159.75QuestionConstruct a 95% confidence interval for a sampling distribution that hasmeans of {4, 4, 4, 4.2, 4.2, 4.3, 4.3, 4.3, 4.4, 4.4, 4.4, 4.4, 4.5, 4.5, 4.6, 4.7,4.7, 4.7, 4.8, 4.8, 4.8, 4.9, 4.9, 4.9, 4.9}.
Correct answer4.381-4.627QuestionConstruct a 90% confidence interval for a sampling distribution thathas means of {4, 4, 4, 4.2, 4.2, 4.3, 4.3, 4.3, 4.4, 4.4, 4.4, 4.4, 4.5, 4.5, 4.6,4.7, 4.7, 4.7, 4.8, 4.8, 4.8, 4.9, 4.9, 4.9, 4.9}.
QuestionConstruct a 95% confidence interval for a sampling distribution that hasmeans of {4, 4, 4, 4.2, 4.2, 4.3, 4.3, 4.3, 4.4, 4.4, 4.4, 4.4, 4.5, 4.5, 4.6, 4.7,4.7, 4.7, 4.8, 4.8, 4.8, 4.9, 4.9, 4.9, 4.9}.
QuestionAs the confidence interval increases for the same sampling distribution, thevalue of the critical value __________.fluctuates between larger and smallerdecreases in sizeincreasesremains the sameCorrect answerincreases

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Term
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Professor
Porter
Tags
Normal Distribution, Standard Deviation, value of the critical value

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