A Marketing Analyst Wants to Examine the Relationship Between Sales

question 122

Multiple Choice

A marketing analyst wants to examine the relationship between sales (in $1,000s) and advertising (in $100s) for firms in the food and beverage industry and so collects monthly data for 25 firms.He estimates the model: Sales = β₀ + β₁ Advertising + ε.The following table shows a portion of the regression results. When testing whether the slope coefficient differs from 3,the critical values at the 5% significance level are −2.069 and 2.069.The conclusion to the test is to _______________________________________________.

• A) reject H₀;the slope coefficient differs from 3
• B) not reject H₀;the slope coefficient differs from 3
• C) reject H₀;the slope coefficient does not differ from 3
• D) not reject H₀;the slope coefficient does not differ from 3

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Definitions:

Acrosome

A cap-like structure over the anterior portion of a sperm's head, containing enzymes that help the sperm penetrate the egg.

Fertilization Process

The union of male and female gametes to form a zygote, initiating the development of a new organism.

Enzymes

Proteins that catalyze, or speed up, chemical reactions within living organisms without being consumed in the process.

Refractory Period

Time following an action potential when a neuron is unable to conduct another nerve impulse.