In a Study of Reaction Times, the Time to Respond $= 204.285245 + 0.286943$

question 28

Multiple Choice

In a study of reaction times, the time to respond to a visual stimulus (x) and the time to respond to an auditory stimulus (y) were recorded for each of 6 subjects. Times were measured in thousandths of A second. The results are presented in the following table. The following MINITAB output describes the fit of a linear model to these data. Assume that the ass of the linear model are satisfied.
The regression equation is Auditory $= 204.285245 + 0.286943$ Visual


$\begin{array} { l l l l l } \text { Predictor } & \text { Coef } & \text { SE Coef } & \text { T } & \text { P } \\ \text { Constant } & 204.285245 & 10.451581 & 19.54587 & 0.000041 \\ \text { Visual } & 0.286943 & 0.051998 & 5.518383 & 0.005265 \end{array}$ What is the intercept of the least-squares regression line?

• A) 0.286943
• B) 19.54587
• C) 0.051998
• D) 204.285245

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