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QUESTION
The Pennsylvania Refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 12...
The Pennsylvania Refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 12 stations last Tuesday the correlation was 0.7 .At the .01 significance level is the correlation in the population greater than 0?t= .78-20.00/.01SQRT 20=?
