Perform the Indicated Goodness-Of-Fit Test

question 1

Essay

Perform the indicated goodness-of-fit test. Among the four northwestern states, Washington has 51% of the total population, Oregon has 30%, Idaho has 11%, and Montana has 8%. A market
researcher selects a sample of 1000 subjects, with 450 in Washington, 340 in Oregon, 150 in
Idaho, and 60 in Montana. At the 0.05 significance level, test the claim that the sample of 1000
subjects has a distribution that agrees with the distribution of state populations.

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Definitions:

Tympanic Cavity

An air-filled space in the temporal bone of the skull behind the eardrum that contains the bones of the middle ear.

External Acoustic Meatus

The ear canal leading from the outer ear to the eardrum.

Oval Window

A membrane-covered opening that leads from the middle ear to the vestibule of the inner ear, where sound vibrations are transmitted.

Auditory Receptors

Receptor cells located in the cochlea of the inner ear that detect sound waves and convert them into neural signals for the brain to interpret.