A Report Stated That the Average Number of Overtime Hours

question 28

Multiple Choice

A report stated that the average number of overtime hours for IRS workers during the past week was more than 10 hours per worker.You will test that statement with a sample of workers.What null and alternative hypotheses would you recommend here if you want to choose a null hypothesis that is skeptical of the report's number?

• A) H₀: µ > 10 units (The average overtime is more than 10 hours.)
• H_a: µ ≤ 10 units (The average overtime is no more than 10 hours.)
• B) H₀: µ = 10 units (The average overtime is 10 hours.)
• H_a: µ ≠ 10 units (The average overtime is not 10 hours.)
• C) H₀: µ ≠ 10 units (The average overtime is not be 10 hours.)
• H_a: µ = 10 units (The average overtime is 10 hours.)
• D) H₀: µ ≤ 10 units (The average overtime is no more than 10 hours.)
• H_a: µ > 10 units (The average overtime is more than 10 hours.)
• E) H₀: µ < 10 units (The average overtime is less than 10 hours.)
• H_a: µ > 10 units (The average overtime is more than 10 hours.)

---

Definitions:

Deviant Behaviour

Actions or behaviors that violate societal norms and expectations, leading to negative sanctions.

Earlier Eras

Time periods preceding the current or specified era, often denoted for historical comparison or study of changes over time.

Viewed

Refers to something that has been looked at or seen, often used in the context of content consumption.

Life Expectancy

The average period that an individual is expected to live, often calculated from the time of birth, based on statistical averages.