A Study Wants to Investigate Whether the Population Variance Is

question 25

Multiple Choice

A study wants to investigate whether the population variance is greater than 8, if a random sample of size 40, yielded a variance of 10. Which of the following are the correct null hypothesis and alternative hypotheses?

• A)Ho: σ² = 10 H_A: σ² > 10
• B)Ho: s² = 10
• H_A: s² > 10
• C)Ho: s² = 8
• H_A: s² > 8
• D)Ho: σ² = 8
• H_A: σ² > 8

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