A department of transportation s study on driving speed and miles per gallon for midsize automobiles resulted in the following

Question

A department of transportation s study on driving speed and miles per gallon for midsize automobiles resulted in the following data Speed Miles per Hour 60 25 50 56 Miles per Gallon 29 25 25 22 31 32 Compute the sample correlation coefficient to 2 decimals and enter negative value as negative number 30 51 40 56 What can you conclude based on your computation of the sample correlation coefficient Select your answer 29 24 20 35 Select the correct interpretation for the sample correlation coefficient i For driving speeds between 24 and 60 miles per hour higher speeds are associated with higher miles per gallon ii For driving speeds between 24 and 60 miles per hour higher speeds are associated with lower miles per gallon iii For driving speeds between 24 and 60 miles per hour lower speeds are associated with lower miles per gallon iv There is no relationship between driving speed and miles per gallon 26 24

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