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Most individuals are aware of the fact that the average annual repair cost foc an automobile depends on the age of the automobile. A researcher

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Most individuals are aware of the fact that the average annual repair cost foc an automobile depends on the age of the automobile. A researcher is interested in finding out whether the variance of the annual repair costs also increases with the age of the automobile. A sample of 26 automobiles 4 years old showed a sample standard deviation for annual repair costs of $172.19 and a sample of 23 automobias 2 years cid showed a sample standard deviation for annual repair costs of $118.82. Let 4 year old automobiles be represented by population 1. The data is located in the Microsoft Excel Onine file below. Due to a recent change by Microsoft you will need to open the XIMiner Analysis ToolPak add-in manually from the home ribbon, Screenshok of ToolPak. Open spreadsheet 1. State the null and alternative versions of the research hypothesis that the variance in annual repair costs is farger for the older automobiies: 2. Conduct the hypothess teit at a 0.01 leved of tignificance. Calculate the value of the test statistic (2 decimals). Calculate the critical value ( 2 decimals). Calculate the p-value (4 Gecimals)

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