## Question

###### Bank America' $ Consumer Spending Survey collected Gata nnuo credil caro charges Spuen different categories expenditures transpontation groceries, dining household expenses home furnishings_ apparel, and entertainment (U.S. Airways Attache, December 2003). Using data from sample of 42 credlt card accounte assume that each account was used Identlfy the annualcredit cord charqes Oroceres (population 1) and annua credit card charges for dining out (population 2). Using the difference data the

Bank America' $ Consumer Spending Survey collected Gata nnuo credil caro charges Spuen different categories expenditures transpontation groceries, dining household expenses home furnishings_ apparel, and entertainment (U.S. Airways Attache, December 2003). Using data from sample of 42 credlt card accounte assume that each account was used Identlfy the annual credit cord charqes Oroceres (population 1) and annua credit card charges for dining out (population 2). Using the difference data the sampl Mean difference was d 5873 and sample standard deviation was Sd $1,200. Formulate the null and Iternative hypotheses test for no difference between the population mean credit card charges for groceries and the population mean credit card charges for dining out. Ho: Select Ha: p Selec Use 05 level of signlficance. What the p-value? The p-value Select conclude that the populatian means differ? 5eln Gt Which category, groceries dining out, has higher population mean annua credit card charge? Sclcct What the polnt estimate of the difference between the population means? What the 959 confidence interval estimate of the difference between the population means (to the nearest whole number)?