Convert the Matrix of Observations to Mean-Deviation Form, and Construct $$\mathrm { S } = \left[ \begin{array} { r c } 60 & - 55 \\- 55 & 280\end{array} \right]$$

question 14

Multiple Choice

Convert the matrix of observations to mean-deviation form, and construct the sample covariance matrix.
- $$\mathrm { S } = \left[ \begin{array} { r c } 60 & - 55 \\- 55 & 280\end{array} \right]$$

• A) \(89.7 \%\)
• B) \(82.4 \%\)
• C) \(86.2 \%\)
• D) \(13.8 \%\)

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Definitions:

Recess

A break period during the school day allowing children rest, free play, or eating, essential for their physical and emotional development.

Positive Correlation

A relationship between two variables where they move in the same direction, meaning that as one variable increases, so does the other, and vice versa.

Negative Correlation

A relationship between two variables in which one variable increases as the other decreases, and vice versa.

Psychopathology

The study of mental disorders, including their symptoms, causes, and treatments.