A Student Believes That the Average Grade on the Final $\mu$

question 26

Multiple Choice

A student believes that the average grade on the final examination in statistics is at least 85. She plans on taking a sample to test her belief. The correct set of hypotheses is

• A)H₀: \(\mu\) < 85 H_a: \(\mu\) \(\ge\) 85
• B)H₀: \(\mu\) \(\le\) 85 H_a: \(\mu\) > 85
• C)H₀: \(\mu\) \(\ge\) 85 H_a: \(\mu\) < 85
• D)None of the other answers are correct.

---

Definitions:

Self-Serving Bias

The tendency to attribute one’s successes to personal factors and one’s failures to situational factors.

Fundamental Bias

An inherent inclination or prejudice that consistently affects judgement or decision-making.

Interpersonal Factors

Elements pertaining to relationships or interactions between individuals that can influence behavior, emotions, and personal development.

Internal Attribution

The process of assigning the cause of behavior to something within the individual, such as their personality, disposition, or attitude.