The City of Toronto comprises four districts. Chief of police Douglas Howard wants to determine whether there is a difference in the mean number of crimes committed among the four districts. He recorded the number of crimes reported in each district for a sample of seven days. At the 0.05 significance level, can the chief of police conclude there is a difference in the mean number of crimes?

Number of Crimes
North York	Etobicoke	Scarborough	Downtown
14	20	13	17
13	21	12	16
15	13	14	17
14	18	15	18
15	19	13	15
14	18	12	20
15	19	15	18

Step 1: State the null and alternative hypothesis

Step 2: Select the level of significance

Step 3: Determine the test statistic

Step 4: Formulate the decision rule

Step 5: Make a decision and interpret the result (Organize data into appropriate ANOVA Tables for Analysis