An accountant wishes to estimate the mean of accounts receivable. He takes a
random sample of 10 accounts receivable and gets the following results in
millions of shillings.
6,7,4,2,5,7,8,6,9,9,7,0,7,3,8,1,6,8,5,2.
Required:
Construct a 95% confidence interval of the true mean of accounts receivable.
(Assume the accounts are normally distributed). (10
marks)