Instruction 12 -Referring to Instruction 12

question 111

Multiple Choice

Instruction 12.2
A chocolate bar manufacturer is interested in trying to estimate how sales are influenced by the price of their product. To do this, the company randomly chooses six country towns and cities and offers the chocolate bar at different prices. Using chocolate bar sales as the dependent variable, the company will conduct a simple linear regression on the data below:
$$\begin{array} { | l | l | l | } \hline \text { City } & \text { Price(\$) } & \text { Syles } \\\hline \text { Toowoomba } & 1.30 & 100 \\\hline \text { Broken Hill } & 1.60 & 50 \\\hline \text { Bendigo } & 1.80 & 50 \\\hline \text { Kalgoorlie } & 2.00 & 40 \\\hline \text { Launceston } & 2.40 & 38 \\\hline \text { Port Augusta } & 2.50 & 32 \\\hline\end{array}$$
-Referring to Instruction 12.2,to test that the regression coefficient,?₁ is not equal to 0,what would be the critical values? Use ? = 0.05.

• A) ± 2.7765
• B) ± 3.1634
• C) ± 2.5706
• D) ± 3.4954

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Definitions:

Healthy Sense

A general feeling or perception of personal well-being and physical health.

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The process of combining or incorporating parts into a whole, often involving diverse elements.

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A method used in research or assessment where individuals are asked to name or identify peers who exhibit positive traits or behaviors.