In Which of the Following Situations Does the Rule for Sample

question 39

Multiple Choice

In which of the following situations does the rule for sample means not apply?

• A)A pollster takes a random sample of 1,000 Americans and asks them to give their opinion of the President on a scale from 1 (completely disapprove) to 100 (completely approve).He is interested in the average rating.
• B)You take a random sample of 20 students' scores from the ACT exam and record the average score.Assume ACT scores are bell-shaped.
• C)A sports fan takes a random sample of 20 NBA players and records their salaries.He wants to estimate the average salary for the entire NBA.
• D)The rule for sample means does not apply in any of these situations.

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Definitions:

Symptoms

Signs or indicators of a disease, disorder, or other condition, often used in the diagnosis process.

Self-Esteem

A person's overall sense of self-worth or personal value.

Random Expressions

Spontaneous or unpredictable verbal or facial expressions not guided by logical or clear reasoning.

Good Performance

The achievement of set goals or criteria at a high or satisfactory level, often evaluated in academic, professional, or athletic contexts.