In the following problems, use the given sample data to perform a one-way ANOVA test using a .05 level of significance. What are your conclusions? Assume the sample is drawn from a normal population, the samples are independent, and the populations have the same variances .The table shows the average annual cost of high speed internet access in dollars for a random sample of individuals in four different regions of a state. Northern Southern Eastern Western 125 145 162 171 130 120 158 168 115 140 145 187 124 138 143 155 120
162
168