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The U.S. Census Bureau collects data on the ages of married people. Suppose that eight married couples are randomly selected and have the ages given in the following table. Determine the 98% confidence interval for the true mean difference between the ages of married males and married females. Let d = (age of husband)-(age of wife). Assume that the ages are normally distributed for the populations of both husbands and wives in the U.S. Husband 30 52 43 55 39 44 64 32 Wife 32 42 46 54 49 49 68 26 Copy Data Step 1 of 4; Find the mean of the paired differences, a. Round your answer to one decimal place. ev Ancol 2 points Kevad The U.S. Census Bureau collects data on the ages of married people. Suppose that eight married couples are randomly selected and have the ages given in the following table. Determine the 98 % confidence interval for the true mean difference between the ages of married males and married females. Let d = (age of husband)-(age of wife). Assume that the ages are normally distributed for the populations of both husbands and wives in the U.S. Husband 30 52 43 55 39 44 64 32 Wife 32 42 46 54 49 49 68 26 Copy Data