Create confidence interval estimate of mean age

Reference no: EM13112427

The random sample of 36 magazine subscribers is taken to evaluate mean age of all subscribers. Data follow. Use Excel to create the 90% confidence interval estimate of 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

Reference no: EM13112427

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