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Construct the indicated confidence interval for the population mean µ using

A) a t- distribution .

B) if you had incorrectly used a normal distribution, which interval would be wider? C=0.95 , =14.3 , s=4.0 ,n= 6

a)the 95% confidence interval using a t- distribution is.

b) if you had incorrectly used a normal distribution which interval would be wider?

i)The t- distribution has the wider interval

ii) The normal distribution has the wider interval

Statistics and Probability, Statistics

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