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Category > Business & Finance Posted 09 Aug 2017 My Price 4.00

correlation in the population

Pennsylvania Refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 20 stations last Tuesday, the correlation was 0.43.

 

At the 0.10 significance level, is the correlation in the population greater than zero? (Round your answer to 3 decimal places.)

 

a) The test statistic is ?.

 

b)  Decision: REJECT OR DO NOT REJECT H0: ρ ≤ 0

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Martinakom
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Status NEW Posted 09 Aug 2017 11:08 AM My Price 4.00

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