A Local Parent Group Was Concerned with the Increasing Cost

question 85

Multiple Choice

A local parent group was concerned with the increasing cost of school for families with school aged children.The parent group was interested in understanding the relationship between the academic grade level for the child and the total costs spent per child per academic year.They performed a multiple regression analysis using total cost as the dependent variable and academic year (x₁) as the independent variables.The multiple regression analysis produced the following tables. $$\begin{array} { | c | c | c | c | c | } \hline & \text { Coefficients } & \text { Stardard Error } & t \text { Statistic } & p \text {-value } \\\hline \text { Intercept } & 707.9144 & 435.1183 & 1.626947 & 0.114567 \\\hline \boldsymbol { x } _ { 1 } & 2.903307 & 81.62802 & 0.035568 & 0.971871 \\\hline \mathbf { x } _ { 1 } { } ^ { 2 } & 11.91297 & 3.806211 & 3.129878 & 0.003967 \\\hline\end{array}$$ $$\begin{array} { | c | c | c | c | c | c | } \hline & \mathrm { df } & \mathbf { 5 s } & \mathrm { MS } & F & p \text {-value } \\\hline \text { Regression } & 2 & 32055153 & 16027577 & 47.34557 & 1.49 \mathrm { E } - 09 \\\hline \text { Residual } & 27 & 9140128 & 338523.3 & & \\\hline \text { Total } & \mathbf { 2 9 } & 41195281 & & & \\\hline\end{array}$$ These results indicate that ____________.

• A)none of the predictor variables is significant at the 5% level
• B)each predictor variable is significant at the 5% level
• C)x₁ is the only predictor variable significant at the 5% level
• D)x₁² is the only predictor variable significant at the 5% level
• E)each predictor variable is insignificant at the 5% level

---

Definitions:

Social Anxiety Disorder

A mental health condition characterized by an intense, persistent fear of being watched and judged by others.

Loneliness

A complex and usually unpleasant emotional response to isolation or lack of companionship.

Psychological Disorders

Mental disorders characterized by patterns of behavior or thought that are both dysfunctional and distressing.

Poverty Line

A threshold set by an authority that delineates the minimum level of income required to afford basic living expenses, varying by country and context.