Problem 1 (20 points): You are a new elementary teacher and the principal provides you the data of four different classes shown below. The principal will let you select the class to teach. Which class do you choose to teach?

Compare and contrast all classes. What do the grades seem to indicate? What are the pros and cons of teaching to each class? Which class would be "better" to teach? Explain your reasoning in detail. What choice might you make if the students were in high school?

Problem 2 (30 points): You are a quality control manager at Apple Computer. During December of 2008, 22,400 i-pods were sold in the Denver metro area. 850 of these i-pods were returned to the factory for failing. The distribution of the these 850 failures by "day of failure" is shown in the chart and graph.

Problem 3 (30 points): During freshman year at the School of Mines, the time it takes you to complete you homework over a number of days is shown to the right.


Problem 4 (10 points): Describe a Pareto chart. Include and example chart using realistic data you fabricate. Place your answer(s) in the space below.

Problem 5 (10 points): Explain the difference between cluster and time series graphs. Include a graph of each using realistic fabricated data of your choosing. Place your answers and example graphs on a separate sheet.

Bonus (5 points): The shock-rocker Alice Cooper has been married (to the same woman) for how many decades?

Another Bonus (5 points): Rock group Kiss' bassist Gene Simmons (multi-millionaire) states he has "never been high, drunk, or smoked in [his] life."1 True or false?