At a Recent Automobile Show, a Sample of 135 People

question 50

Multiple Choice

At a recent automobile show, a sample of 135 people produced the following results. Use the 0.05 significance level to determine if there is a relationship between age and model preferred. Based on the analysis above, what can be concluded?

• A) Buyer's age and car model preference are not related.
• B) Buyer's age and car model preference are related.
• C) The mean of age is the same as the mean of car model preference.
• D) No conclusion can be made.

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Definitions:

Enzymes

Biological molecules that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.

Exocytosis

The process by which cells release substances (such as neurotransmitters and hormones) outside the cell by the fusion of a vesicle with the plasma membrane.

Synaptic Vesicles

Membrane-bound sacs in neurons that store neurotransmitters, which are released into the synaptic cleft to transmit signals between neurons.

Neurotransmitters

Chemical messengers that transmit signals across a synapse from one neuron to another 'target' neuron, muscle cell, or gland cell.