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Q1) Create the indicated confidence interval for population mean µ using
(A) a t- distribution .
(B) if you had incorrectly used normal distribution, which interval would be wider?
C=0.95 , =14.3 , s=4.0 ,n= 6
a) 95% confidence interval using a t- distribution is.........
b) If you had incorrectly used normal distribution which interval would be wider?
i) t- distribution has the wider interval
ii) Normal distribution has the wider interval
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