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Suppose it's reported that the average gas price in Ohio is $2.10 per gallon. You believe it's lower than that. Your random sample of 100
- Suppose it's reported that the average gas price in Ohio is $2.10 per gallon. You believe it's lower than that. Your random sample of 100 gas stations in Ohio has an average gas price of $1.98 per gallon. What is your alternative hypothesis?
- Suppose it's reported that the average gas price in Ohio is $2.10 per gallon. You believe it's lower than that. Your random sample of 100 gas stations in Ohio has an average gas price of $1.98 per gallon. Assume the standard deviation of all gas prices is .50. What is the test statistic?
- Suppose you are doing a hypothesis test where your hypotheses are Ho: u = 10 vs Ha: u > 10, and your test statistic is equal to 2.87. What is the p-value?
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Algebra And Trigonometry, Enhanced
Authors: Cynthia Y Young
4th Edition
1119320860, 9781119320869
