Question
An Environmental Protection Agency study of 12 automobiles revealed a correlation of 0.47 between engine size and emissions. A. State the decision rule for 0.01
An Environmental Protection Agency study of 12 automobiles revealed a correlation of 0.47 between engine size and emissions.
A. State the decision rule for 0.01 significance level:H0: 0;H1:> 0(Round your answer to 3 decimal places.)
Reject H0 if t > _____
B. Compute the value of the test statistic.(Round your answer to 3 decimal places.)
C. Compute thep-value
A) between 0.025 and 0.05
B) between 0.01 and 0.025
C) between 0.005 and 0.01
D) between 0.05 and 0.10
D. Can we conclude that there is a positive association between the two variables? Use the 0.01 significance level. (choose the correct phrases to complete the statement)
(Fail to reject, Reject) H0. We (cannot, can) conclude that there is a positive correlation between engine size and emissions.
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