Below is listed the partial results of an ANOVA table A loca

Below is listed the partial results of an ANOVA table. A local auto shop is testing the difference between the average life expectancy of the car batteries they sell. What is the null hyopothesis? Fill out the ANOVA table above. Assume a significance level of 0.5. What is the critical F-value for this test? What is the statistical decision? What is the answer to the actual question?