Instruction 12 -Referring to Instruction 12

question 172

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 whether a change in price will have any impact on average sales,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:

White Women

Refers generally to females of European descent or those identified through certain physical characteristics typically associated with Caucasians.

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A demographic group characterized by male individuals of European descent.

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The movement of goods and services across borders, reflecting the import and export activities between countries.

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