Using the summary statistics in Exercise 4, and assuming that the data come from a distribution that

Question:

Using the summary statistics in Exercise 4, and assuming that the data come from a that is normally distributed,
a) Find a 95% confidence interval for the mean difference in page views from the two websites.
b) Why is the confidence interval narrower than the one you found in Exercise 10?
c) Is 0 within the confidence interval?
d) What does it say about the null hypothesis that the mean difference is 0?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...