### Statistics Concepts and Calculations

16-22. The following sample data were obtained from three populations where the variances were not equal, and you wish to compare the populations. Sample 1 Sample 2 Sample 3 21 15 38 29 17 40 35 22 44 45 27 51 56 31 53 71 1. State the null hypothesis. 2. Using the .01 level of risk, state the decision rule. 3. C