Mathematics, 05.08.2019 01:30 NathanaelLopez
Twelve secretaries were given a typing test, and the times (in minutes) to completed it were as follows: 8, 12, 15, 9, 6, 8, 10, 9, 8, 6, 7, 8 find the mean. round to one decimal place (example: 3.2)
Answers: 1
![[8, 12, 15, 9, 6, 8, 10, 9, 8, 6, 7, 8]](/tpl/images/0171/4948/4df13.png)
![[8+12+15+9+6+8+10+9+8+6+7+8]/12=106/12=8.8\ min](/tpl/images/0171/4948/77f05.png)
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Twelve secretaries were given a typing test, and the times (in minutes) to completed it were as foll...
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