A Police Chief Wants to Determine If Crime Rates Are

Multiple Choice

A police chief wants to determine if crime rates are different for four different areas of the city (East(1) , West(2) , North(3) , and South(4) sides) , and obtains data on the number of crimes per day in each area. The one-way ANOVA table is shown below. The competing hypotheses about the mean crime rates are ________.

A) H₀: μ₁ = μ₂ = μ₃, H_A: Not all population means are equal
B) H₀: Not all population means are equal, H_A: μ₁ = μ₂ = μ₃
C) H₀: μ₁ = μ₂ = μ₃ = μ₄, H_A: Not all population means are equal
D) H₀: Not all population means are equal, H_A: μ₁ = μ₂ = μ₃ = μ₄