a.How many containers of yogurt were inspected?containers of yogurt

b.Find the class midpoints. Do all of the classes have the same width? If so what is this width? If not what are the different class widths?

Number of Days(Class Limits)Class WidthClass Midpoint

0to5

6to11

12to17

18to23

24to29

c.Prepare the relative frequency and percentage distribution columns.Round your answers for relative frequencies to three decimal places and your answers for percentages to one decimal place.

Number of Days(Class Limits)FrequencyRelative FrequencyPercentage

0to533

6to1166

12to1744

18to2324

24to2910

d.What percentage of the containers will expire in less than18days?Round your answer to one decimal place.%of the containers will expire in less than18days.

e.Explain why you cannot determine exactly how many containers have already expired.

It is necessary to know the average number of purchases per customer.

There are too many containers not included in the class0to5.

0is included in the class0to5.

There are too few containers included in the class0to5.

The containers that have not already expired skews the data.

f.What is the largest number of containers that may have already expired?The largest number of containers that could already have expired is.