What is the critical value and test value

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A recent gasoline survey said that the national average price of gasoline was $1.498 a gallon. it was felt that the gasoline in Texas was significantly lower than the national average. A survey of 10 different suburbs in Dallas Texas found the average gasoline to be $ 1.294 a gallon with a standard deviation of $ .0526. What is the critical value using a=.05 and what is the test value.

Reference no: EM1389721

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