The Following Display from a TI-84 Plus Calculator Presents A 95

question 39

Multiple Choice

The following display from a TI-84 Plus calculator presents a $95 \%$ confidence interval for the difference between two means. The sample sizes are $n _ { 1 } = 13$ and $n _ { 2 } = 8$ .

Fill in the blanks: We are 95% confident that the difference between the means is between _________ and _________.

• A) 22.420, 26.525
• B) 110.794, 160.497
• C) 0, 13.038055
• D) -71.757, -27.649

---

Definitions:

Regional Tastes

Preferences and inclinations specific to people in a particular geographic area.

Brand Loyalty

Commitment to a brand in the face of competition.

Guerilla Marketing

Marketing through unconventional, innovative, low-cost means to generate social buzz and maximum exposure.

Marketing Techniques

Strategies and tactics employed by businesses to promote and sell their products or services effectively.