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3 years ago

A researcher at a large company has collected data on the beginning salary and current salary of 48 randomly selected employees.

Business

1 answer:

alisha [4.7K]3 years ago

3 0

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.

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