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:

Aggressive Impulses

The sudden urges or drives to act or respond in a hostile or physically violent manner.

Testosterone

A steroid hormone found in both men and women but at higher levels in men, playing a key role in the development of male reproductive tissues and secondary sexual characteristics.

Hormone

A chemical substance produced in the body that regulates and controls the activity of certain cells or organs.

Affective Aggression

A type of aggression that is driven by emotions, particularly anger or hostility, rather than by a strategic desire to achieve a specific goal.