onsider the following hypothesis test: H 0:   50 H a:  > 50 A sample of 70 is used and the population standard deviation is 9. Use the critical value approach to state your conclusion for each of the following sample results. Use  = .05. a. With  = 52.5, what is the value of the test statistic (to 2 decimals)?   Can it be concluded that the population mean is greater than 50? SelectYesNoItem 2  b. With  = 51, what is the value of the test statistic (to 2 decimals)?   Can it be concluded that the population mean is greater than 50? SelectYesNoItem 4  c. With  = 51.8, what is the value of the test statistic (to 2 decimals)?   Can it be concluded that the population mean is greater than 50? SelectYesNoItem 6

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