Mean square error

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Reference no: EM131168036

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

1088

1113

706

1024

953

602


1280

614

  • What does mean square treatment (MSTR) measure?
  • What does mean square error (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?

Reference no: EM131168036

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