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A) In a study, Group 1 was found to have an average of 53 and a...

A) In a study, Group 1 was found to have an average of 53 and a population standard deviation of 13 out of a random sample of 25. Group 2 was found to have an average of 42 and a population standard deviation of 9 out of a random sample of 16. Are the two group statistically the same? Construct a 99% confidence interval What is the smaller value? [Round to 4 decimal places].

B) What is the larger value? [Round to 4 decimal places]

C) What is the critical value?

D) Are the two groups statistically same?

Math   Statistics-And-Probability   
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