Mathematics, 03.02.2021 17:20 apodoltsev2021
3T Q11 Finding the mean by creating a table
The grouped frequency table shows the numbers of cups of coffee bought per week by a sample of office workers.
Number
of cups
Frequency
(f)
Class
midpoint fx x
(x)
1 to 5
4
6 to 10
7
11 to 15
9
16 to 20
5
Totals
25
Answers: 3
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3T Q11 Finding the mean by creating a table
The grouped frequency table shows the numbers of cups o...
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