Open and use the Minitab worksheet TEXTBOOK.MTW to complete questions 1-5:

1.  Complete the following:

1. Create a histogram for new textbook prices at the University of Massachusetts.
2. Create a histogram for used textbook prices at the University of Massachusetts.
3. Explain any differences you see (centers, variation, and skewness) in the graphs of (a) and (b).

1. Produce descriptive statistics for new textbook prices at the University of Massachusetts.
2. Produce descriptive statistics for used textbook prices at the University of Massachusetts.
3. Compare the results. Do these number support what you found in 1 (c)?

1. Create a histogram for new textbook prices at Dutchess Community College using 6 classes.
2. Create a histogram for new textbook prices at Dutchess Community College using 7 classes.
3. Do the two plots give you a different impression of the data? Explain.
4. Create Stem-and-Leaf plots for both new and used textbook prices at Dutchess Community College.
5. Do comparing the Stem-and-Leaf plots lead you to the same conclusions as comparing the histograms? Explain.

1. Generate boxplots for each of the four variables (NEWUMASS, USDUMASS, NEWDCC, AND USDDCC). The boxplots should all be on the same page to compare.
2. Based on your results in (a), explain how prices of each of the four variables compare. What conclusions can you draw?

1. Create a scatter diagram (or scatterplot) of the new textbook prices at Dutchess Community College vs. the used textbook prices at Dutchess Community College.
2. Based on your graph in (a) how do the new and used prices relate to one another?

Open and use the Minitab worksheet MOVIES.MTW to complete questions 6:

6.  Complete the following:

1. Produce a pie chart for all the movie ratings in the data set (variable: RATING).
2. Produce a Pareto chart for all the movie ratings in the data set.
3. Explain what information the plots in (a) and (b) provide concerning the ratings categories for these movies.