To Compare the Effect of Weather on Sales of Soft

question 21

Multiple Choice

To compare the effect of weather on sales of soft drinks, a soda manufacturer sampled two regions
Of the country with the following results. Is there a difference in sales between the 2 regions?
i. The null hypothesis is pa - pb = 0.
ii. The alternate hypothesis is pa - pb ≠ 0.
iii. The proportion of sales made in Market Area 1 is 0.45.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (ii) is a correct statement but not (i) and (iii).

---

Definitions:

Forebrain

The anterior part of the brain, including the cerebral hemispheres, the thalamus, and the hypothalamus, responsible for complex behaviors, thought, and emotion.

Action Potential

A temporary reversal of the electrical polarization of the membrane of a nerve cell or muscle cell, allowing for the transmission of signals.

Axon

A long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body.

Central Nervous System

The major part of the nervous system consisting of the brain and spinal cord, which integrates and processes nervous information.