A Recent Study Focused on the Number of Times Men

question 104

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 next. 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 value of the test statistic for this hypothesis test?

• A)2.668
• B)2.672
• C)2.58
• D)2.40

---

Definitions:

Implied Warranty

A legal concept that guarantees a product will perform as widely expected without being explicitly stated in a contract.

Warranty of Title

A guarantee by a seller to a buyer that the seller has the right to transfer ownership and no undisclosed encumbrances exist.

Patent Violation

The infringement of the exclusive rights attached to a patent, without permission from the patent holder.

Implied Warranty

A legal concept that guarantees a product will meet certain standards of quality and reliability without explicitly stating them in a contract.