A Consumer Magazine Wants to Figure Out Which of Two

question 98

Multiple Choice

A consumer magazine wants to figure out which of two major airlines lost a higher proportion of luggage on international flights. The magazine surveyed Standard Air (population 1) and Down Under airlines (population 2) . Standard Air lost 45 out of 600 bags. Down Under airlines lost 30 of 500 bags. Does Standard Air have a higher population proportion of lost bags on international flights? Which of the following is the correct competing hypotheses?

• A) H 0 : p = p 0 , H A : p ≠ p 0
• B) H 0 : p 1 - p 2 = 0, H A : p 1 - p 2 ≠ 0
• C) H 0 : p 1 - p 2 ≤ 0, H A : p 1 - p 2 > 0
• D) H 0 : p 1 - p 2 ≥ 0, H A : p 1 - p 2 < 0

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Definitions:

Strengths

Aspects of an entity, be it an individual, team, project, or system, that represent positive attributes or competitive advantages.

Limitations

Constraints or restrictions that affect the scope, validity, or generalizability of research findings.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how much the numbers in the dataset deviate from the mean average.

Variance

A measure of the dispersion, indicating how much the values in a dataset differ from the mean.