Instruction 13-3
an Economist Is Interested to See How Consumption

question 169

Multiple Choice

Instruction 13-3
An economist is interested to see how consumption for an economy (in $ billions) is influenced by gross domestic product ($ billions) and aggregate price (consumer price index) .The Microsoft Excel output of this regression is partially reproduced below.
SUMMARY
Regression Statistics
$\begin{array} { l l } \text { Multiple R } & 0.991 \\ \text { R Square } & 0.982 \\ \text { Adj. R Square } & 0.976 \\ \text { Std. Error } & 0.299 \\ \text { Observations } & 10 \end{array}$
ANOVA
$\begin{array} { l l l l l l } & \boldsymbol { d f } & \text { SS } & \text { MS } & \boldsymbol { F } & \text { Signiff } \\ \text { Regression } & 2 & 33.4163 & 16.7082 & 186.325 & 0.0001 \\ \text { Residual } & 7 & 0.6277 & 0.0897 & & \\ \text { Total } & 9 & 34.0440 & & & \\ & & & & & \\ & \text { Coeff } & \text { StaError } & \boldsymbol { t } \text { Stat } & \boldsymbol { P } \text {-Value } & \\ \text { Intercept } & - 1.6335 & 0.5674 & - 0.152 & 0.8837 & \\ \text { GDP } & 0.7654 & 0.0574 & 13.340 & 0.0001 & \\ \text { Price } & - 0.0006 & 0.0028 & - 0.219 & 0.8330 & \end{array}$ Note: Adj.R Square = Adjusted R Square;Std.Error = Standard Error
-Referring to Instruction 13-3,to test for the significance of the coefficient on aggregate price index,the value of the relevant t-statistic is

• A)-0.219.
• B)0.143.
• C)-1.960.
• D)2.365.

Recognize cultural influences on drug use and the importance of social context.

Identify strategies for drug use prevention and the reduction of harm associated with drug use.

Understand states of consciousness and their relation to drug use.

Acknowledge the effects of drug use on attention and unconscious mental activity.

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