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CommentsCorrect!!Max Score: 4Actual Score: 4Question 9Sony would like to test the hypothesis that the average age of a PlayStation user differs from the average age of an Xbox user. A random sample of 32 PlayStation users had an average age of 33.7 years while a random sample of 36 Xbox users had an average age of 35.6 years. Assume that the population standard deviation for the age of PlayStation and Xbox users is 3.7 and 3.5 years, respectively. Sony would like to set α = 0.05. If Population 1 is defined as PlayStation users and Population 2 is defined as Xbox users, the test statistic for this hypothesis test would be ________.
CommentsCorrect!!Max Score: 4Actual Score: 4Question 10Sony would like to test the hypothesis that the average age of a PlayStation user differs from the average age of an Xbox user. A random sample of 32 PlayStation users had an average age of 33.7 years while a random sample of 36 Xbox users had an average age of 35.6 years. Assume that the population standard deviation for the age of PlayStation and Xbox users is 3.7 and 3.5 years, respectively. Sony would like to set α = 0.05. The standard error of the difference between two means for this hypothesis test would be ________.

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