A Member of Parliament Wants to Measure the Level of Support

question 51

Essay

A Member of Parliament wants to measure the level of support in his area for campaign finance reform and determine if there is a gender gap among voters with respect to this issue.One aide suggests that they find separate confidence intervals for the percent of men and the percent of women who favour reform and then see if the intervals overlap.Another aide suggests that they find a confidence interval for the difference in the proportions of men and women who favour reform.Which is the correct approach? Why?

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Definitions:

Insurance Policy

A contract between an insurance policyholder and an insurer, outlining the claims which the insurer is legally required to pay in exchange for an initial payment, known as a premium.

Long-Term Investment

An investment strategy or vehicle designed to hold or grow funds over an extended period, usually several years or longer.

Significant Influence

The capacity to affect the financial and operating policies of another entity through ownership or other means.

Operating Policies

Rules and guidelines that govern the activities and decisions of an organization.