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20.Annual expenditures for prescription drugs was $936 per person in the US. A sample of 80 individuals in the State of Texas showed an annual

20.Annual expenditures for prescription drugs was $936 per person in the US. A sample of 80 individuals in the State of Texas showed an annual expenditure of $814. Formulate the hypothesis test to indicate whether annual expenditures are lower in Texas,

21.For problem 20, compute the test statistic and a = .05, what is your conclusion.

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