A 2012 Gallup Poll of Collected Data on the Percentage $\pi$

question 138

Multiple Choice

A 2012 Gallup poll of collected data on the percentage of residents in different states who report exercising for at least 30 minutes 3 or more days per week (Source: Gallup Analytics) .Suppose the sample data show the following: A researcher conducts the following hypotheses test to determine whether the proportion that exercises regularly differs across the four states.
H₀: $\pi$ ₁ = $\pi$ ₂ = $\pi$ ₃ = $\pi$ ₄ (the population proportions are equal)
H_A: At least two population proportions differ from one another.
At a 5% significance level, what is the test statistic, $\chi$ ²_stat, for the hypothesis test?

• A)0.002
• B)0.473
• C)4.562
• D)7.815

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Definitions:

Gross Domestic Product

The total monetary or market value of all the finished goods and services produced within a country's borders in a specific time period, often used as an indicator of economic health.

Health Care Expenditures

The total amount spent on health services and goods, including personal healthcare, public health services, and health research and activities.

Health Insurance Coverage

A policy that provides payment or reimbursement for medical services incurred by the insured.

Rapidly Rising Cost

A situation where the cost of goods, services, or inputs increases at a speed that is difficult to manage or predict.