There Is a 6-Point Difference Between Two Sample Means

question 8

Multiple Choice

There is a 6-point difference between two sample means.If the two samples have the same variance, then which of the following values for the variance would make the mean difference easiest to see in a graph showing the two distributions.

• A)s² = 2
• B)s² = 8
• C)s² = 16
• D)s² = 64

---

Definitions:

Flashbacks

Sudden, intense, and usually disturbing re-experiences of past memories or events, often associated with psychological conditions such as PTSD.

Coronary Heart Disease

A disease in which a waxy substance called plaque builds up inside the coronary arteries, which supply oxygen-rich blood to the heart muscle, leading to heart attacks.

High Blood Pressure

A chronic medical condition where the force of the blood against artery walls is too high, potentially leading to health problems.

Competitive

Having a strong desire to be more successful than others, often characterized by striving for achievement in situations of comparison or contest.