Grouping and displaying data to convey meaning: Tables and Graphs

Use the data from

Universal Burger is concerned about product waste, so they sampled their burger waste record from the past year with the following results.

Construct a frequency distribution for these data and a relative frequency distribution. use intervals of 5 burgers.

One of Universal burger's goals is for at least 75 percent of shifts to have no more than 16 burgers wasted. Can you determine from the frequency distribution whether this goal has been achieved?
What percentage of shifts have wsate of 21 or fewer burgers? Which distribution did you use to determine your answer?

Construct a relative frequency distribution using intervals of 4.0 lb/sq in..

The Bureau of Labor Statistics has sampled 30 communities nationwide and complied prices in each community at the beginning and end of August in order to find out approximately how the Consumer price Index (CPI) has changed during August . The percentage change in prices for the 30 communities are as follows:

Sarah Anne Rapp, the president of Baggit, has just obtained some raw data from a marketing survey that her company recently conducted . The servery was taken to determine the effectiveness of the new company slogan, "When you 've given up on the rest, Baggit!" To determined the effect of the sales of Luncheon Baggits, 20 people were asked how many boxes of Luncheon Baggits per month they bought before and after the slogan was used in the advertising campaign . The results were as follows:

Here are the ages of 30 people who bought video recorders at symphony Music Shop last week:

Here are the midpoints of the intervals for a distributions representing minutes it took the members of a university track team to complete a 5 mile cross-country run.

Here the ages of 50 members of a county social service program

Use these data to construct relative frequency distributions using 7 equal intervals and 13 equal intervals. State policies on social service programs require that approximately 50 percent of the program participants be older than 50.

Is the program in compliance with the policy?
Does your 13-interval relative frequency distribution help you answer part (a) better than your 7-interval distribution?
Suppose the Director of Social Services wanted to know the proportion of program participants between 45 and 50 years old. Could you estimate the answer for her better with a 7- or a 13-interval relative frequency distribution?

Barney Mason has been examining the amount of daily french fry waste (in pounds) for the past 6 months at Universal Burger and has created the following frequency distribution.

TABLE: HIGH SCHOOL AND COLLEGE GRADE-POINT AVERAGES OF 20 COLLEGE SENIORS
H.S.	College	H.S.	College	H.S.	College	H.S.	College
3.6	2.5	3.5	3.6	3.4	3.6	2.2	2.8
2.6	2.7	3.5	3.8	2.9	3.0	3.4	3.4
2.7	2.2	2.2	3.5	3.9	4.0	3.6	3.0
3.7	3.2	3.9	3.7	3.2	3.5	2.6	1.9
4.0	3.8	4.0	3.9	2.1	2.5	2.4	3.2

Arrange the data in an array from highest to lowest high school GPA. Now arrange the data in an array from highest to lowest college GPA. What can you conclude from the two arrays that you could not from the original data?

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