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:

Inconsistent Feedback

Responses or critiques that vary widely and unpredictably, often causing confusion or a lack of clear direction.

Lax

Characterized by a lack of strictness or care, often leading to a relaxation of standards.

Permissive

A parenting style characterized by low demands with high responsiveness.

Controlling

Involving or relating to the power to influence or direct people's behavior or the course of events.