A random sample of magazine subscribers is taken to estimate the

Question

A random sample of 36 magazine subscribers is taken to estimate the mean age of all subscribers. The data follow. Use Excel to construct a 90% confidence interval estimate of the mean age of all of this magazine's subscribers.

Subscriber	Age	Subscriber	Age	Subscriber	Age
1	39	13	40	25	38
2	27	14	35	26	51
3	38	15	35	27	26
4	33	16	41	28	39
5	40	17	34	29	35
6	35	18	46	30	37
7	51	19	44	31	33
8	36	20	44	32	41
9	47	21	43	33	36
10	28	22	32	34	33
11	33	23	29	35	46
12	35	24	33	36	37