Question

The data below indicate the state gas tax in cents per gallon and the fuel use per registered vehicle (in gallons). Is there a significant relationship between these two variables?
Perform the following steps.
a. Draw the scatter plot for the variables.
b. Compute the value of the correlation coefficient.
c. State the hypotheses.
d. Test the significance of the correlation coefficient at α = 0.05, using Table I.
e. Give a brief explanation of the type of relationship.


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  • CreatedSeptember 02, 2015
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