Question

The following table, reproduced from Exercise 2.15, gives the frequency distribution of the number of days to expiry date for all containers of yogurt in stock at a local grocery store. Containers that had already expired but were still on the shelves were given a value of 0 for number of days to expiry date.
Number of Days Number of Containers
0 to 5.............. 32
6 to 11............ 67
12 to 17............. 44
18 to 23............. 20
24 to 29............. 11
a. Prepare a cumulative frequency distribution.
b. Calculate the cumulative relative frequency and cumulative percentage for each class.
c. Find the percentage of the containers that will expire in 12 or more days.
d. Draw an ogive for the cumulative percentage distribution.
e. Using the ogive, estimate the percentage of containers that will expire in fewer than 20 days.


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  • CreatedAugust 25, 2015
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