The Data Below Are the Number of Absences and the Final

question 89

Multiple Choice

The data below are the number of absences and the final grades of 9 randomly selected students from a statistics class. Calculate the correlation coefficient, r. $$\begin{array} { l | c | c | c | c | c | c | c | c | c | } \text { Number of absences, } \mathrm { x } & 0 & 3 & 6 & 4 & 9 & 2 & 15 & 8 & 5 \\\hline \text { Final Grade, } \mathrm { y } & 93 & 81 & 75 & 77 & 66 & 87 & 50 & 71 & 77\end{array}$$

• A)-0.991
• B)-0.888
• C)-0.918
• D)-0.899

Learn about the cranial nerves and their specific functions.

Differentiate between the central and peripheral nervous systems.

Understand medical coding for neurological conditions.

Recognize the importance and interpretation of the Glasgow Coma Scale.

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Definitions:

Bootstrap Tool

A statistical method that involves sampling with replacement to estimate quantities about a sample.

Crystal Ball

A metaphor often used to refer to the prediction of future events or the ability to foresee the future.

Correlation Matrix Tool

A table showing the correlation coefficients between sets of variables, used to determine the degree and direction of relationships.

Crystal Ball

A software product used for simulation, forecasting, and optimization.