Two Independent Random Samples of Sizes = 4 and

question 165

Short Answer

Two independent random samples of sizes = 4 and = 5 are selected from each of two normal populations: Calculate , the pooled estimator of .
______________
Find a 90% confidence interval for ( ), the difference between the two population means.
CI = ______________ Enter (n1, n2)
Test for = 0.05.
Conclusion:
We ______________ have sufficient evidence to indicate .

---

Definitions:

Species Richness

A measure of the number of different species represented in an ecological community, landscape or region.

Disturbance Hypothesis

posits that disturbances in an ecosystem can create opportunities for new species to colonize, thus affecting biodiversity.

Mycorrhizae

A symbiotic association between a fungus and the roots of a vascular host plant, enhancing nutrient and water absorption.

Fungi

A kingdom of spore-producing organisms that feed on organic matter, including molds, yeast, and mushrooms.