Instruction 12-2
a Chocolate Bar Manufacturer Is Interested in Trying

question 3

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:
$$\begin{array} { l l r r } { \text { City } } & & \text { Price } ( \$ ) & \text { Sales } \\\hline \text { Toowoomba } & & 1.30 & 100 \\\text { Broken Hill } & & 1.60 & 90 \\\text { Bendigo } & & 1.80 & 90 \\\text { Kalgoorlie } & & 2.00 & 40 \\\text { Launceston } & & 2.40 & 38 \\\text { Port Augusta } & & 2.90 & 32\end{array}$$
-Referring to Instruction 12-2,what is the estimated slope parameter for the chocolate bar price and sales data?

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Definitions:

Chemical Reactions

Processes in which one or more substances are chemically changed into one or more new substances.

Pyrogens

Substances that cause fever by acting on the hypothalamus's temperature-regulating center.

Adipose Stores

Adipose stores refer to the body's fat reserves, primarily stored in adipose tissue, which provides insulation and energy.

Depolarization Phase

Change in the electric charge difference across the plasma membrane that causes the difference to be smaller or closer to 0 mV; phase of the action potential in which the membrane potential moves toward zero, or becomes positive.