From a University Population, Random Samples of 145 Men and 237

question 33

Multiple Choice

From a University population, random samples of 145 men and 237 women have been asked if they have ever cheated in a college class. 8% of the men and 6% of the women said that they have. What is the appropriate test to assess the significance of this difference?

• A) Test for the significance of the difference between two sample proportions, large samples.
• B) Test for the significance of the difference between two sample proportions, small samples.
• C) Test for the significance of the difference between two sample proportions, matched samples.
• D) Test for the significance of the difference between two sample means, large samples.

Learn about the unique roles and characteristics of decomposers and detritivores in the ecosystem.

Understand the fundamentals of biogeochemical cycles and their significance in ecosystems.

Recognize the various components and processes involved in energy transfer within food webs and ecological pyramids.

Identify the roles and limitations of producers, consumers, and decomposers in ecosystems.

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Definitions:

Spillover Benefit

An advantage that results from an activity or product but benefits those who are not directly involved in its production or consumption.

Pollution Abatement

The reduction or elimination of pollution to protect the environment, typically involving strategies and technologies to control emissions and contaminants.

Diminishing Returns

A principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other variables remain constant.

Marginal Benefit

The additional satisfaction or utility derived by consuming or producing one more unit of a good or service.