The shipment times in hours for a load of goods from a factory to market are tabulated in the following frequency distribution Complete the following table. Shipment time (hours) Midpoint Product Frequency f xf 22.5-27.5 25 75 27.5-32.5 30 41 1230 32.5-37.5 35 79 2765 37.5-42.5 40 29 1160 42.5-47.5 45 15 675 47.5-52.5 50 250 From the frequency distribution, find the mean shipment time (in h). (Round your answer to the nearest whole number.) mean = 51

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I'm not sure what is wrong with my calculation finding the mean shipment time (in h)

The shipment times in hours for a load of goods from a factory to market are tabulated in the following frequency distribution.
Complete the following table.
Shipment time
(hours)
Midpoint
Frequency
Product
xf
22.5-27.5
25
75
27.5-32.5
30
41
1230
32.5-37.5
35
79
2765
37.5-42.5
40
29
1160
42.5-47.5
45
15
675
47.5-52.5
50
250
From the frequency distribution, find the mean shipment time (in h). (Round your answer to the nearest whole number.)
mean =51
Transcribed Image Text:The shipment times in hours for a load of goods from a factory to market are tabulated in the following frequency distribution. Complete the following table. Shipment time (hours) Midpoint Frequency Product xf 22.5-27.5 25 75 27.5-32.5 30 41 1230 32.5-37.5 35 79 2765 37.5-42.5 40 29 1160 42.5-47.5 45 15 675 47.5-52.5 50 250 From the frequency distribution, find the mean shipment time (in h). (Round your answer to the nearest whole number.) mean =51
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