The Following Information Regarding a Dependent Variable Y and an Independent

question 61

Multiple Choice

The following information regarding a dependent variable y and an independent variable x is provided: $$\begin{array} { l l } \Sigma x = 90 & \sum \left( y - \frac { y } { ) } \right) ( x - x ) = - 156 \\\Sigma y = 340 & \Sigma \left( x - \frac { x } { 2 } \right) ^ { 2 } = 234 \\n = 4 & \sum ( y - y ) ^ { 2 } = 1974 \\\mathrm { SSR } = 104 &\end{array}$$ The mean square error (MSE) is

• A) 1870.
• B) 13.
• C) 1974.
• D) 935.

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Definitions:

Personality Psychology

The study of individual differences in characteristic patterns of thinking, feeling, and behaving.

Descriptive Statistics

Statistical procedures used to summarize, organize, and simplify data.

Mean

A measure of central tendency that is calculated by dividing the sum of values in a dataset by the number of values in the dataset, often referred to as the average.

Median

A statistical measure representing the middle value in a data set, where half the numbers are above and half below.