A Recent Study Focused on the Number of Times Men

question 7

Multiple Choice

A recent study focused on the number of times men and women send a Twitter message in a day. The sample information is summarized below. At the .01 significance level, is there a difference in the mean number of times men and women send a Twitter message in a day? What is the test statistic for this hypothesis?

• A) z-statistic
• B) t-statistic
• C) p-statistic
• D) df-statistic

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Definitions:

U.S. Constitution

The supreme law of the United States that outlines the national frame of government and the fundamental rights of its citizens.

Necessary and Proper Clause

A provision in the U.S. Constitution granting Congress the power to pass all laws deemed necessary and proper for executing its enumerated powers.

Full Faith and Credit Clause

A constitutional mandate requiring states to recognize and respect the public records, judicial proceedings, and legislative acts of other states.

Brady Handgun Violence Prevention Act

Federal legislation that requires background checks on individuals before a firearm purchase to prevent firearms sales to prohibited buyers.