Consider the following two samples:

a. Show that both samples have the same mean and variance.

b. Use the Wilcoxon rank-sum test to test the null hypothesis that the population means are equal. What do you conclude?

c. Do the assumptions of the rank-sum test appear to be satisfied? Explain why or why not.

US History Since 1877 T est 2 02/16/2016 ▯ Cyrus McCormick “the Farmer’s Movement” o farmers had moved from sustenance agriculture to commercial farming driven by the demand of the citied helped by the railroads machines were replacing...