In a Test for Equality of Two Proportions, the Sample

question 99

Multiple Choice

In a test for equality of two proportions, the sample proportions were p₁ = 12/50 and p₂ = 18/50. The test statistic is approximately:

• A)-1.44.
• B)-1.31.
• C)-1.67.
• D)Must know α to answer.

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Definitions:

Ecosystem

A system, or a functioning whole, composed of both the natural environment and all the organisms living within it.

Food-Producing Society

Societies that rely primarily on agriculture and animal husbandry for their sustenance, having transitioned from foraging and hunting-gathering modes of subsistence.

Foraging

The act of searching for and exploiting food resources by animals, including hunting, fishing, and gathering plant materials.

Pastoralism

The breeding and managing of migratory herds of domesticated grazing animals, such as goats, sheep, cattle, llamas, and camels.