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The publisher of Celebrity Living claims that the mean sales for personality magazines that feature people such as Beyonce or Jennlfer Lawrence are 1.5 million
The publisher of Celebrity Living claims that the mean sales for personality magazines that feature people such as Beyonce or Jennlfer Lawrence are 1.5 million coples per week. A sample of 10 comparable titles shows a mean weekly sales last week of 1.3 million coples with a standard deviation of 0.9 million coples. Do these data contradict the publisher's clalm? Use the 0.01 significance level. Required: a. State the null hypothesis and the alternate hypothesls. Note: Round your answers to 1 decimal place. b. What is the decision rule? Note: Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places. c. What is the value of test statistic? Note: Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places. d. What is your declsion regarding H ? e. Estimate the p-value? Note: Round your answer to 4 declmal places
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