schaevon5720 schaevon5720
  • 29-05-2023
  • Mathematics
Answered

A survey of 25 randomly selected customers found the ages shown
(in years). The mean is 32.28 years and the standard deviation is
9.89years.
49
44
44
40
12
30
23
22
45
42
34
21
28
33
15
36
38



Answer :

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