Grouping and Displaying data to convey meaning

Mr.Franks, a Safety engineer for the Mars Point Nuclear Power Generating Station, has charted the peak reactor temperature each day for the past year and has prepared the following frequency distributions .

Solution

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.

1. 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?
2. What percentage of shifts have wsate of 21 or fewer burgers? Which distribution did you use to determine your answer?

Solution

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

Solution

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:

Solution

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:

Solution

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

Solution

Use the data from

Solution

John Lyon, owner of Fowler's Food Store in Chapel Hill, North Carolina, has arranged his customers purchase amounts last week into this frequency distributions:

Solution

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.

Solution

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.

Solution