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Hypothesis Testing of Variance: Student and Faculty Car Ages

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See attached file.

Interpreting Display for Student and Faculty Car Ages.

Students at the author's college randomly selected samples of student cars and faculty cars and recorded their ages based on the registration stickers. See the following excel display of the results.

What is the P-value for a hypothesis test of equal standard deviations?

Is there sufficient evidence to support the claim that the ages of faculty cars and the ages of student cars have different amounts of variation?

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Solution Summary

The solution provides step by step method for the calculation of F statistic for Differences in Two Variances. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.

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