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