The Relationship Between the Cost of a Taxi Ride (Y)and $\hat{\text { cost} }$

Multiple Choice

The relationship between the cost of a taxi ride (y) and the length of the ride (x) is analyzed.The mean length was 4.6 km with a standard deviation of 1.1.The mean cost was $8.70 with a standard deviation of 2.0.The correlation between the cost and the length was 0.81.

A) $\hat{\text { cost} }$ = 0.336 + 1.82 length
B) $\hat{\text { cost} }$ = 1.93 + 1.47 length
C) $\hat{\text { cost} }$ = -113 + 26.5 length
D) $\hat{\text { cost} }$ = 6.65 + 0.446 length
E) $\hat{\text { cost} }$ = -458 + 101 length