A Trucking Firm Suspects That the Variance for a Certain $\alpha$

question 90

Essay

A trucking firm suspects that the variance for a certain tire is greater than 1,000,000. To check the claim, the
firm puts 101 of these tires on its trucks and gets a standard deviation of 1200 miles. At α $\alpha$ = 0.05, test the
trucking firmʹs claim.

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Definitions:

Formal Prediction

The use of specific methods or models to forecast future events based on current or historical data.

Relationship

An emotional or social connection between two or more individuals, often based on feelings of affection and involving communication and mutual exchanges.

Variables

Elements, features, or factors that can be changed and measured in scientific research to determine their effects on the outcomes of the research.

Reliable Test

A test that consistently produces the same results over time when given in the same conditions.