Assume That a Hypothesis Test of the Given Claim Will

question 96

Multiple Choice

Assume that a hypothesis test of the given claim will be conducted. Identify the type I or type II error for the test
-An entomologist writes an article in a scientific journal which claims that fewer than 16 in ten thousand male fireflies are unable to produce light due to a genetic mutation. Identify the type I error for the test.

• A)The error of rejecting the claim that the true proportion is less than 16 in ten thousand when it really is less than 16 in ten thousand.
• B)The error of rejecting the claim that the true proportion is at least 16 in ten thousand when it really is at least 16 in ten thousand.
• C)The error of failing to reject the claim that the true proportion is at least 16 in ten thousand when it is actually less than 16 in ten thousand.

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Definitions:

Standard Deviation

Standard deviation is a statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean.

Stanine

A method of scaling test scores on a nine-point standard scale, where a higher stanine score indicates better performance.

Cognitive Ability Test (CogAT)

A standardized test designed to measure students' reasoning abilities in the areas of verbal, quantitative, and non-verbal (or spatial) reasoning.

Standard Error of the Estimate

A statistical measure that indicates the accuracy with which a sample represents a population.