## Related questions with answers

A multimedia statistics learning system includes a test of skill in using the computer's mouse. The software displays a circle at a random location on the computer screen. The subject clicks in the circle with the mouse as quickly as possible. A new circle appears as soon as the subject clicks in the old one. The table reaction times (in milliseconds) in a computer game gives data for one subject's trials, 20 with each hand. Distance is the distance from the cursor location to the center of the new circle, in units whose actual size depends on the size of the screen. Time is the time required to click in the new circle, in milliseconds. We suspect that time depends on distance. We also suspect that performance will not be the same with the right and left hands. Analyze the data with a view to predicting performance separately for the two hands.

$\begin{array}{ccc|ccc} \text { TIME } & \text { DISTANCE } & \text { HAND } & \text { TIME } & \text { DISTANCE } & \text { HAND } \\ \hline 115 & 190.70 & \text { right } & 240 & 190.70 & \text { left } \\ \hline 96 & 138.52 & \text { right } & 190 & 138.52 & \text { left } \\ \hline 110 & 165.08 & \text { right } & 170 & 165.08 & \text { left } \\ \hline 100 & 126.19 & \text { right } & 125 & 126.19 & \text { left } \\ \hline 111 & 163.19 & \text { right } & 315 & 163.19 & \text { left } \\ \hline 101 & 305.66 & \text { right } & 240 & 305.66 & \text { left } \\ \hline 111 & 176.15 & \text { right } & 141 & 176.15 & \text { left } \\ \hline 106 & 162.78 & \text { right } & 210 & 162.78 & \text { left } \\ \hline 96 & 147.87 & \text { right } & 200 & 147.87 & \text { left } \\ \hline 96 & 271.46 & \text { right } & 401 & 271.46 & \text { left } \\ \hline 95 & 40.25 & \text { right } & 320 & 40.25 & \text { left } \\ \hline 96 & 24.76 & \text { right } & 113 & 24.76 & \text { left } \\ \hline 96 & 104.80 & \text { right } & 176 & 104.80 & \text { left } \\ \hline 106 & 136.80 & \text { right } & 211 & 136.80 & \text { left } \\ \hline 100 & 308.60 & \text { right } & 238 & 308.60 & \text { left } \\ \hline 113 & 279.80 & \text { right } & 316 & 279.80 & \text { left } \\ \hline 123 & 125.51 & \text { right } & 176 & 125.51 & \text { left } \\ \hline 111 & 329.80 & \text { right } & 173 & 329.80 & \text { left } \\ \hline 95 & 51.66 & \text { right } & 210 & 51.66 & \text { left } \\ \hline 108 & 201.95 & \text { right } & 170 & 201.95 & \text { left } \\ \hline \end{array}$

Solution

VerifiedTime is on the horizontal axis and Distance is on the vertical axis.

RIGHT

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