A random sample of 40 companies with assets over $10 million was surveyed and asked to indicate their industry and annual computer technology expense. The ANOVA comparing the average computer technology expense among three industries rejected the null hypothesis. The mean square error (MSE) was 211. The following table summarized the results: Number Sampled Mean Expense (1,000,000s) Education 10 18 Tax Services 14 47.5 Food Services 16 52 Based on the comparison between the mean annual computer technology expense for companies in the tax services and education industries, Multiple Choice a confidence interval shows that the mean annual computer technology expenses are not significantly different the ANOVA results show that the mean annual computer technology expenses are significantly different the ANOVA results show that the mean annual computer technology expenses are not significantly different a confidence interval shows that the mean annual computer technology expenses are significantly different