Consider an Urban Ecologist Who Is Interested in Whether the Presence

question 3

Multiple Choice

Consider an urban ecologist who is interested in whether the presence of high-voltage power lines influences the number of eggs laid by birds nearby. She plans to conduct a two-sample t-test and will assume that the population variances are equal. Her data are as follows:
Near (group 1) : mean = 6.1, SD = 0.35, n = 12
Far (group 2) : mean = 5.8, SD = 0.30, n = 9
What is the conclusion of the t-test?

• A) Fail to reject the null hypothesis, the mean number of eggs do not seem to differ in the two types of locations.
• B) Fail to reject the null hypothesis, the mean number of eggs seem to differ in the two types of locations.
• C) Reject the null hypothesis, the mean number of eggs do not seem to differ in the two types of locations.
• D) Reject the null hypothesis, the mean number of eggs seem to differ in the two types of locations.

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Definitions:

Management Tool

A management tool is any method, technique, or software used by managers to improve decision-making, support strategic planning, and enhance operational efficiency.

Positive Results

Outcomes or findings from an action, event, or analysis that are favorable or beneficial, often referring to financial gains or progress.

Negative Aspects

Refers to the disadvantages or less favorable elements associated with a situation, decision, or object.

Long-Range Planning

Strategic planning focused on goals and strategies that span over several years into the future.