To Compare the Effect of Weather on Sales of Soft

question 66

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 alternate hypothesis is pa - pb ¹ 0 ii. The z-statistic is 3.57.
iii. Your decision is to accept the null hypothesis.

• 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).

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Definitions:

Insectivora

An obsolete term for an order of mammals, now split into various orders, that are characterized by feeding on insects and other small invertebrates.

Closed Circulatory System

A circulatory system where blood is contained within vessels and is separated from bodily tissues, as seen in vertebrates.

Dorsal Heart

A dorsal heart is a heart that is located towards the back (dorsal) side of an organism, contrasting with the ventral placement seen in humans.

Hemoglobin

A molecule found in red blood cells that carries oxygen from the lungs to all parts of the body.