Question 4: The average gasoline price in Chicago was $3.65 in recent weeks. Because of the...

 

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Question 4: The average gasoline price in Chicago was $3.65 in recent weeks. Because of the supply shortage, it is a prediction there will be an increase in gasoline price. a) The correct hypotheses to be tested are b) You collected data on gasoline price from 64 gas stations around the city, and found that the average price was $3.78, with the sample standard deviation of $0.3. Use critical value approach to decide whether you should reject the null hypothesis, using a=0.05? Question 4: The average gasoline price in Chicago was $3.65 in recent weeks. Because of the supply shortage, it is a prediction there will be an increase in gasoline price. a) The correct hypotheses to be tested are b) You collected data on gasoline price from 64 gas stations around the city, and found that the average price was $3.78, with the sample standard deviation of $0.3. Use critical value approach to decide whether you should reject the null hypothesis, using a=0.05?

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a 6 Hypothelis are H 4 365 365 at n 64 X 378 z ... View the full answer