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Mathematics, 26.06.2020 16:01 jackfrost5
The manager of a supermarket records the waiting times of 100 customers.
He wishes to calculate an estimate for the mean waiting time.
He draws this table.
Waiting Time
Number of
Midpoint (x)
fx
(minutes)
customers (0)
0 -
0.5
5
2.5
1 -
1.5
28
2 -
2.5
32
3-
3.5
26
4-5
4.5
9
100
a)
Complete the table.
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Answers: 2
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The manager of a supermarket records the waiting times of 100 customers.
He wishes to calculate an...
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