Test Hypotheses Regarding Two Population Standard Deviations
-A Random Sample $1107.2$

question 84

Short Answer

Test Hypotheses Regarding Two Population Standard Deviations
-A random sample of 21 women had cholesterol levels with a variance of $1107.2$ . A random sample of 18 men had cholesterol levels with a variance of 737.28. Test the hypothesis that the cholesterol levels for women have a larger variance than those for men. Use $\alpha = 0.01$ . Assume the samples were randomly selected from normal populations.

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Definitions:

Basic Sector

Economic activities that provide goods and services beyond the local market, contributing to a region's economic growth by bringing in external income.

Primary Sector

The sector of an economy involving the extraction and collection of natural resources, such as agriculture, forestry, fishing, and mining.

Secondary Sector

The part of the economy that is concerned with transforming raw materials into finished or semi-finished products, often referred to as the industrial sector.

Tribal Society

A form of society structured around family ties, with social organization typically based on clans or tribes.