A Researcher Hypothesizes That People with 'High' Incomes Will Be

Multiple Choice

A researcher hypothesizes that people with 'high' incomes will be more opposed to changes in the health care system than people with 'average' incomes, who in turn will be more opposed than people with 'low' incomes. In conducting a one-way ANOVA with this data, how could the null hypothesis (H₀) be stated?

A) H₀: High > Average > Low
B) H₀: not all μs are equal
C) H₀: all μs are equal
D) H₀: High ≠ Average ≠ Low