In Testing the Difference Between Two Population Means for Which

question 95

Short Answer

In testing the difference between two population means for which the population variances are unknown and assumed to be equal, two independent samples are drawn from the populations. Which of the following tests is appropriate? $\begin{array}{|l|l|}\hline A&z \text {-test. }\\\hline B&\text { Equal -variances } t \text {-test. }\\\hline C& F \text {-test. }\\\hline D&\text { Matched pars } t \text {-test. }\\\hline\end{array}$

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Sinkhole

A natural depression formation caused by the dissolution of soluble bedrock or substrate collapse.

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The natural process where rocks are broken down or dissolved into smaller pieces by chemical, physical, or biological factors.

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Plant Cover

The layer of vegetation or plants that covers the ground in a specific area, crucial for maintaining ecosystems and influencing water and soil quality.