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