Questions from Business Statistics

Q: Shown here are production unit data for a company for the first

Shown here are production unit data for a company for the first four months of the year over eight years. Construct a chart or graph that best depicts these four months of data over the eight years to...

Q: The following figures for U.S. imports of agricultural products

The following figures for U.S. imports of agricultural products and manufactured goods were taken from selected years over a 30-year period (in $ billions). The source of the data is the U.S. Internat...

Q: Shown here is a list of the industries with the largest total

Shown here is a list of the industries with the largest total toxic releases in a recent year according to the EPA. Construct both a bar chart and a pie chart to depict this information and comment on...

Q: A manufacturing company produces plastic bottles for the dairy industry. Some

A manufacturing company produces plastic bottles for the dairy industry. Some of the bottles are rejected because of poor quality. Causes of poor-quality bottles include faulty plastic, incorrect labe...

Q: There are many types of information that might help the manager of

There are many types of information that might help the manager of a large department store run the business more efficiently and better understand how to improve sales. Think about this in such areas...

Q: A research organization selected 50 U.S. towns from the

A research organization selected 50 U.S. towns from the 2010 census with populations between 4000 and 6000 as a sample to represent small towns for survey purposes. The populations of these towns foll...

Q: Suppose 150 shoppers at an upscale mall are interviewed and one of

Suppose 150 shoppers at an upscale mall are interviewed and one of the questions asked is household income. Study the Minitab histogram of the following data and discuss what can be learned about the...

Q: Study the following dot plot and comment on the general shape of

Study the following dot plot and comment on the general shape of the distribution. Discuss any gaps or heavy concentrations in the data.

Q: Shown here is a Minitab-produced pie chart representing physician specialties

Shown here is a Minitab-produced pie chart representing physician specialties. What does the chart tell you about the various specialties?

Q: Suppose 100 CPA firms are surveyed to determine how many audits they

Suppose 100 CPA firms are surveyed to determine how many audits they perform over a certain time. The data are summarized using the Minitab stem-and-leaf plot shown here. What can you learn from this...