Question 9. Prescription Drug Costs. Annual expenditure for prescription drugs was $838 per person in the Northeast of the country. A sample of 60 individuals in the Midwest showed a per person annual expenditure for prescription arugs on 9745. Use a population standard deviation of $300 to answer the following questions. a. Formulate hypotheses for a test to determine whether the sample data support the conclusion that the population annual expenditure for prescription drugs per person is lower in the Midwest than in the Northeast. b. What is the value of the test statistic? c. What is the p-value? d. At a = .01, what is your conclusion?

Q: A local church parish wants to raise money to add to their campus. In a sample from a previous fund…

A:

Q: A local church parish wants to raise money to add to their campus. In a sample from a previous fund…

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A: As per our guidelines, we can solve only the first question. Kindly, repost the other for an answer.

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Q: QUESTION 7 Nabisco claims that Chip Ahoy Cookies have an x=28.67 per cookie with a SD=2.67. Assuming…

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Q: Question 7 Calculate the standard deviation of the data shown, to two decim 5.8 224 29.7 26.5 28.4

A: The formula of sample standard deviation is,

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A:

Q: Question 6) The standard deviation value of the products in factory A is 25 g. The weight average of…

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A:

Q: Question 20             Annual expenditure for prescription drugs was $838 per person in the…

A: (a) Here, the claim of the test is that the sample data support the conclusion that the population…

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A: We have given that.   X~N( μ , ?^2 )     Z-score =( x - μ )/?

Q: QUESTION 10 A research worker wants to determine the average time it takes a mechanic to rotate the…

A: Thank you for posting question As per Guideline I have solve 1st ques . Please answer for 2nd Que re…

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A: It is given that the mean is 54, the standard deviation is 17 and the sample size is 32.

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Q: Question 10 The average and standard deviation of the weights of 350 Indian students are 55 kg and 3…

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Q: Question 2: The number of pieces of mail received daily at the school office is normally distributed…

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Q: Question 5: Calculate the standard deviation of the data set. Hint: 95% is two standard deviations…

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