A sample of 16 unemployed men was given a mental health examination using the General Health Questionnaire (GHQ). The GHQ is a widely used measure of mental health, with lower values indicating better mental health. The mean and standard deviation of the GHQ scores were x̄ = 9.06 and s = 5.10, respectively. If we wish to research that the mean GHQ score (μ) for all unemployed men is less than 10: 

Which of the following is the correct alternative hypothesis?

(Choose one) 

A. H1: μ 10 

B. H1: μ 10 

C. H1: μ ≠ 10 

D. H1: μ = 10

Answer rating: 100% (QA)

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