Compute the Sum of Squared Residuals
-The Regression Line for the Given

question 70

Multiple Choice

Compute the Sum of Squared Residuals
-The regression line for the given data is $\mathrm { y } = 4.379 \mathrm { x } + 4.267$ . Determine the residual of a data point for which $\mathrm { x } =$ $15.6$ and $y = 76$ .
$\begin{array}{l|c|c|c|c|c|c|c|c|c|}\text { Rainfall (in inches) , } \mathrm{x} & 10.5 & 8.8 & 13.4 & 12.5 & 18.8 & 10.3 & 7.0 & 15.6 & 16.0 \\\hline \text { Yield (bushels per acre) , } \mathrm{y} & 50.5 & 46.2 & 58.8 & 59.0 & 82.4 & 49.2 & 31.9 & 76.0 & 78.8\end{array}$

• A) \(3.4206\)
• B) \(148.5794\)
• C) \(72.5794\)
• D) \(- 321.471\)

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Definitions:

Roommate

A person with whom one shares a living facility such as a room or apartment but is not related or romantically involved with.

Content Validity

The extent to which a test measures all aspects of the concept or construct it intends to assess.

Construct Validity

The extent to which an assessment accurately measures what it is supposed to measure.

Criterion Validity

The extent to which a measure is related to an outcome. It assesses whether a test reflects a certain set of abilities by correlating test results with a criterion measure.