Sony would like to test the hypothesis that the standard deviation for the age o

Question

Sony would like to test the hypothesis that the standard deviation for the age of PlayStation is higher than the standard deviation for the age of Xbox users. The following table summarizes sample statistics from each population. The test statistic for this hypothesis test would be 1.03 0.82 1.22 3.65 Using alpha = 0.05, the conclusion for this hypothesis test would be that because the test statistic is more than the critical value, we fail to reject the null hypothesis and conclude that the standard deviation for the age of PlayStation users is higher than the standard deviation for the age of Xbox users more than the critical value, we reject the null hypothesis and cannot conclude that the standard deviation for the age of PlayStation users is higher than the standard deviation for the age of Xbox users less than the critical value, we fail to reject the null hypothesis and conclude that the standard deviation for the age of PlayStation users is higher than the standard deviation for the age of Xbox users less than the critical value, we fail to reject the null hypothesis and cannot conclude that the standard deviation for the age of PlayStation users is higher than the standard deviation for the age of Xbox users

Explanation / Answer

F = ( 3.9 / 4.3 ) ^2 = 0.82

since F is very slow we fail to reject Ho ,

less than critical value , we fail to reject Ho

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