To Compare the Effect of Weather on Sales of Soft

question 41

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 2 is 0.33.

• 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:

Raven's Matrices

A nonverbal group test typically used to measure abstract reasoning and regarded as a nonverbal estimate of fluid intelligence.

WAIS-III

The Wechsler Adult Intelligence Scale-Third Edition, a tool for assessing the intelligence and cognitive ability of adults.

WISC-IV

The Wechsler Intelligence Scale for Children-Fourth Edition, a tool used to assess the intellectual ability of children between the ages of 6 and 16.

Raven's Progressive Matrices

A nonverbal group test typically used to assess abstract reasoning and fluid intelligence.