As a Step in Establishing Its Rates,an Automobile Insurance Company

question 120

True/False

As a step in establishing its rates,an automobile insurance company is interested in determining whether there is a difference in the mean highway speeds that drivers of different age groups drive.To help answer this question,it has selected a random sample of drivers in three age categories: under 21,21-50,and over 50.The engineers then recorded the drivers' speeds at a designated point on a highway in the state.The subjects were unaware that their speed was being recorded.The following one-way ANOVA output was generated from the sample data.Before actually testing the central hypothesis involving the mean speeds,if a hypothesis test is conducted to determine whether the population variances are equal using a significance level equal to 0.05,the critical value is approximately F = 2.95.
Anova: Single Factor
SUMMARY ANOVA

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Definitions:

Crystallization

In the social sciences, it refers to the process by which vague opinions or beliefs become solidified into clear and distinct ideas or ideologies.

Industrial Societies

Use machines and fuel to greatly increase the supply and dependability of food and finished goods. The first such societies emerged about 225 years ago in Great Britain. Productivity, the division of labor, and average settlement size increased substantially in industrial societies compared with agricultural societies. While social inequality was substantial during early industrialism, it declined as the industrial system matured.

Social Inequality

The presence of unequal chances and benefits for various social roles or statuses within a community or society.

Hunting And Gathering

An ancient subsistence strategy involving the hunting of animals and foraging of plant life, oftentimes practiced by nomadic societies.