Instruction 12-6
the Following Microsoft Excel Tables Are Obtained When

question 58

Multiple Choice

Instruction 12-6
The following Microsoft Excel tables are obtained when "Score received on an exam (measured in percentage points) " (Y) is regressed on "percentage attendance" (X) for 22 students in a Statistics for Business and Economics course.
$$\begin{array}{l}\begin{array} { | l | r | } \hline { \text { Regression Statistics } } \\\hline \text { Multiple R } & 0.142620229 \\\hline \text { R Square } & 0.02034053 \\\hline \text { Adjusted R Square } & - 0.028642444 \\\hline \text { Standard Error } & 20.25979924 \\\hline \text { Observations } & 22 \\\hline\end{array}\\\begin{array} { | l | r | r | l | l | } \hline & \text { Coefficients } & \text { Standard Error } & { \text { T Stat } } & \text { P-value } \\\hline \text { Intercept } & 39.39027309 & 37.24347659 & 1.057642216 & 0.302826622 \\\hline \text { Attendance } & 0.340583573 & 0.52852452 & 0.644404489 & 0.526635689 \\\hline\end{array}\end{array}$$
-Referring to Instruction 12-6,which of the following statements is true?

• A)14.2% of the total variability in percentage attendance can be explained by score received.
• B)2% of the total variability in score received can be explained by percentage attendance.
• C)2% of the total variability in percentage attendance can be explained by score received.
• D)14.26% of the total variability in score received can be explained by percentage attendance.

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Definitions:

Tax Payment

The process of paying taxes to governmental authorities, which is obligatory for individuals and businesses.

Tax Rate Structure

The way in which tax rates progress based on variables such as income level, with different rates applied to different levels or brackets of income.

Marginal Tax Rate

The rate at which the last dollar of a taxpayer's income is taxed, indicating the percentage of tax applied to their highest bracket of income.

Average Tax Rate

The proportion of total income paid in taxes, calculated by dividing the total tax amount by the taxable income.