Answer:
$2252.7
Explanation:
Residual is calculated by taking the difference of observed and predicted value.
The regression equation is
y= - 2532.7 + 2.12 x.
Where, y is the current salary and x is the beginning salary.
Mrs. Kathy Jones beginning salary= $19,000.
Mrs. Kathy Jones observed current salary= $40,000.
Residual for Mrs. Kathy Jones=Mrs. Kathy Jones observed current salary-Mrs. Kathy Jones predicted current salary.
Mrs. Kathy Jones predicted current salary
y^= - 2532.7 + 2.12 (19000)
y^= - 2532.7 + 40280
y^=37747.3
Mrs. Kathy Jones predicted current salary =$37,747.3
Residual for Mrs. Kathy Jones= $40,000-$37,747.3
Residual for Mrs. Kathy Jones=$2252.7
The residual for Mrs. Kathy Jones is $2252.7.
