Read the case study titled Losses to Robbery and answer the
Read the case study titled “Losses to Robbery” and answer the corresponding questions: Losses to Robbery: The Federal Bureau of Investigation conducts surveys to obtain information on the value of losses from various types of robberies. The results of the surveys are published in Population-at-Risk Rates and Selected Crime Indicators. Independent simple random samples of reports for three types of robberies—highway, gas station, and convenience store—gave the following data, in dollars, on the value of losses. Highway Gas Station Convenience Store 952 1298 844 996 1195 921 839 1174 880 MA3110: Module 5 Chi Square and Anova Exercise 5.1 Inferences from Two Samples 2 Highway Gas Station Convenience Store 1088 1113 706 1024 953 602 1280 614 What does treatment mean square (MSTR) measure? What does error mean square (MSE) measure? Suppose that you want to perform a one-way ANOVA to compare the mean losses among the three types of robberies. What conditions are necessary? How crucial are those conditions?
Solution
