HW 1 Answers - Bnal 206.doc - BNAL 206 Spring 2016 GRADED...

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BNAL 206 Spring 2016, GRADED HOMEWORK ASSIGNMENT 1 This assignment is due by Feb. 2 at the beginning of class. You should submit a hard copy to me if possible. You’ll need to use MINITAB to generate statistical summaries needed to answer the questions. Submission Format: Please submit your work as a WORD or similar document. You can prepare this by cutting and pasting the results generated in MINITAB to such a document. So, for example for 1c, first show the histogram and then below that provide your answer to the question given in 1c).1.(50 pts) This problem uses the data file, RETIREMENT FUNDS, that has been used for several class examples. a)One of the variables in the data file is the categorical variable, STARS. This variable is a type of rating of the funds analogous to how hotels or movies might be given a certain number of stars to rate them. Here theratings are from one to five stars with higher ratings indicating better performance. Provide a pie chart summarizing the STARS data. Include the percentage of funds in each rating category as well as the names of the categories in your chart. (HINT: To show the labels for the slices of the pie, Click on the LABELS button, then choose “Slice Label”, then check category name and Percent.)FiveFourOneThreeTwoCategoryTwo19.6%Three34.8%One7.3%Four31.0%Five7.3%Pie Chart of Star Ratingb) Provide a contingency table that summarizes data simultaneously on the RISK and STARS variables. Just include the counts for each cell and not any corresponding percentages. Use the contingency table to determine how many ofthe three star rated funds were in the High Risk category.
Tabulated statistics: Risk, Star Rating Rows: Risk Columns: Star RatingFive Four One Three Two AllAverage 4 15 9 35 28 91High 0 1 7 1 4 13Low 19 82 7 74 30 212All 23 98 23 110 62 316Cell Contents: Count

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