SCENARIO 12-9
It Is Believed That, the Average Numbers of Hours

question 109

Multiple Choice

SCENARIO 12-9
It is believed that, the average numbers of hours spent studying per day (HOURS) during undergraduate education should have a positive linear relationship with the starting salary (SALARY, measured in thousands of dollars per month) after graduation.Given below is the Excel output for predicting starting salary (Y) using number of hours spent studying per day (X) for a sample of 51 students.NOTE: Only partial output is shown. $\begin{array}{lr}{\text { Regression Statistics }} \\\hline \text { Multiple R } & 0.8857 \\\text { R Square } & 0.7845 \\\text { Adjusted R Square } & 0.7801 \\\text { Standard Error } & 1.3704 \\\text { Observations } & 51 \\\hline\end{array}$
ANOVA
$\begin{array}{lrrrrr} & d f & S S & M S & F & \text { Significance F } \\\hline \text { Regression } & 1 & 335.0472 & 335.0473 & 178.3859 \\\text { Residual } & & & 1.8782 & \\\text { Total } & 50 & 427.0798 & &\end{array}$

$\begin{array}{lrrrrrrr} & \text { Coefficients } & \text { standered Error } & \text { tStat } & \text { P-value } & \text { Lower 95\% } & \text { Upper 95\% } \\\hline \text { Intercept } & -1.8940 & 0.4018 & -4.7134 & 0.0000 & -2.7015 & -1.0865 \\\text { Hours } & 0.9795 & 0.0733 & 13.3561 & 0.0000 & 0.8321 & 1.1269\end{array}$ Note: 2.051E - 05 = 2.051 *10-05 and 5.944 E - 18 = 5.944 *10-18 .
-Referring to Scenario 12-9, the degrees of freedom for the F test on whether HOURS affectsSALARY are

• A)1, 49
• B)1, 50
• C)49, 1
• D)50, 1

Identify the emergence periods of major primate groups and their evolutionary significance.

Recognize the role and characteristics of the placenta in mammalian development.

Understand the adaptations and lifestyle changes in primates leading to modern humans, including tool use and dietary shifts.

Recognize the functional anatomy of primates, including features like the foramen magnum indicative of locomotion styles.

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Definitions:

Intrusive Thoughts

Unwanted and often distressing thoughts or images that suddenly appear in mind, a common feature in various forms of anxiety and OCD.

Rebound Anxiety

An increase in anxiety symptoms that can occur after discontinuing a medication that was suppressing anxiety.

Benzodiazepines

A class of psychoactive drugs used primarily for treating anxiety, but also used as sedatives, muscle relaxants, and to prevent seizures.

Chronic Muscle Tension

A physical condition marked by persistent tightness in the muscles that can result from stress, overuse, or underlying health issues.