The following is the output of the test for the null hypothesis: sigma squared_b

Question

The following is the output of the test for the null hypothesis: sigma squared_burgerking = sigma squared_checkers, where the sigma squared is the variance of the monthly sales (in thousands). Given the output, what can you conclude? Use alpha = .05. The variance of monthly sales for Burger King and Checkers are not significantly different The variance of monthly sales for Burger King and Checkers are significantly different The variance of monthly sales for Burger King is significantly higher than that for Checkers The variance of monthly sales for Burger King is significantly lower than that for Checkers

Explanation / Answer

Question 8) The variance of monthly sales for burger king and checkers are significantly different.

Since F > Fcrit

Question 9) These 2 variables are independent.

Since P-value < alpha , so we reject Ho.

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