The ANOVA Test Performed for Determined That Not All Mean

question 87

Multiple Choice

The ANOVA test performed for determined that not all mean commute times across the four cities are equal. However, it did not indicate which means differed. To find out which population means differ requires further analysis of the direction and the statistical significance of the difference between paired population means. Tukey 95% confidence intervals are shown below. Which of the following is the studentized range value with α = 0.05 for Tukey's HSD method?

• A) 5.02
• B) 3.58
• C) 3.96
• D) 4.64