Encode and Decode Messages
Encode or Decode the Given Message $\mathrm { A } = \left[ \begin{array} { r r r } 1 & 0 & - 2 \\ 1 & 2 & 3 \\ 1 & 1 & 1 \end{array} \right]$

question 127

Multiple Choice

Encode and Decode Messages
Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual
order.
-Use the coding matrix $\mathrm { A } = \left[ \begin{array} { r r r } 1 & 0 & - 2 \\ 1 & 2 & 3 \\ 1 & 1 & 1 \end{array} \right]$ to encode the message COME_HERE.

• A) \(\left[ \begin{array} { r r r } - 23 & - 11 & - 5 \\ 72 & 29 & 56 \\ 31 & 13 & 28 \end{array} \right]\)
• B)\( \left[\begin{array}{rrr}3 & 5 & 5 \\ 15 & 0 & 18 \\ 13 & 8 & 5\end{array}\right] \)
• C) \(\left[ \begin{array} { r r r } 19 & 27 & - 21 \\ - 14 & - 30 & 39 \\ 8 & 11 & - 13 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r r } - 7 & - 21 & 3 \\ 28 & 69 & 44 \\ 13 & 33 & 26 \end{array} \right]\)

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Definitions:

Negative Correlation

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

Alcohol Consumption

The act of drinking beverages that contain ethanol, which can have varying effects on health and behavior depending on the amount and frequency of consumption.

Operational Definition

A clear, precise description of how variables in a study will be measured or manipulated.

Efficiency

The ability to accomplish a task with the least amount of wasted time, effort, and resources.