A Recent Study Focused on the Number of Times Men

question 52

Multiple Choice

A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized here. At the 0.01 significance level,we ask if there is a difference in the mean number of times men and women send a Twitter message in a day. What is the value of the test statistic for this hypothesis test?

• A)2.668
• B)2.672
• C)2.58
• D)2.40

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Definitions:

Informal Rule Making

A process by which regulatory agencies develop and issue rules without a formal hearing; typically involves public notice of the proposed rule and an opportunity for the public to comment.

Social Regulations

Rules designed to correct market failures specifically related to public welfare, including health, safety, and the environment.

Executive Agencies

Government units at the national level under the direct authority of the president or executive branch, responsible for implementing and administering federal laws and policies.

Independent Agency

An agency that is typically not located within a government department. It is governed by a board of commissioners appointed by the president with the advice and consent of the Senate.