A Market Researcher Is Studying the Spending Habits of People

question 100

Multiple Choice

A market researcher is studying the spending habits of people across age groups. The amount of money spent by each individual is classified by spending category (Dining out, Shopping, or Electronics) - Factor A, and generation (Gen-X, Gen-Y, Gen-Z, or Baby Boomers) - Factor B. An incomplete ANOVA table is shown below. At the 5% significance level, the conclusion of the hypothesis test for factor A is ________.

• A) do not reject the null hypothesis; we cannot conclude the average amount spent differs by spending category
• B) do not reject the null hypothesis; we can conclude the average amount spent differs by spending category
• C) reject the null hypothesis; we cannot conclude the average amount spent differs by spending category
• D) reject the null hypothesis; we can conclude the average amount spent differs by spending category

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Definitions:

Gap Junction

Specialized intercellular connections between a multitude of animal cell-types that directly connect the cytoplasm of two cells, allowing various molecules, ions and electrical impulses to directly pass through a regulated gate between cells.

Synaptic Transmission

The process through which neurotransmitters are released by one neuron and taken up by another, facilitating communication between neurons.

Electrical Synaptic Transmission

A form of neural communication that occurs through electrically conductive gap junctions directly connecting the cytoplasm of adjacent neurons.

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that is primarily involved in inhibiting neural activity.