A Recent Report Claimed That Americans Are Retiring Later in Life

question 17

Multiple Choice

A recent report claimed that Americans are retiring later in life (U.S. News & World Report, August 17) . An economist wishes to determine if the mean retirement age has increased from 62. To conduct the relevant test, she takes a random sample of 38 Americans who have recently retired and computes the value of the test statistic as t₃₇ = 1.92. With α = 0.05, she ________.

• A) rejects the null hypothesis and concludes that the mean retirement age has increased
• B) rejects the null hypothesis and concludes that the mean retirement age has not increased
• C) does not reject the null hypothesis and does not conclude that the mean retirement age has changed
• D) does not reject the null hypothesis and does not conclude that the mean retirement age has increased

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Definitions:

National Organization

An entity or group that operates across an entire country, focusing on particular issues, interests, or advocacy at a national level.

Rape Task Forces

Specialized groups formed by law enforcement agencies and community organizations aimed at investigating and preventing sexual assault incidents.

Sexual Assault

An act in which an individual intentionally sexually touches another person without their consent, or coerces or physically forces a person to engage in a sexual act against their will.

United States

A federal republic consisting of 50 states, a federal district, five major self-governing territories, and various possessions, known for its significant influence on world politics, economy, and culture.