Matched or Paired Samples (Optional) · Exercise 22

A local research group is studying a chronic disease. They believe the number of cases of the disease is higher in 2013 than in 2012 in the southern United States. The group compared the estimates of new cases by southern state in 2012 and 2013. The results are in.

$$\begin{array}{ccc}\text{Southern States}& \text{2012}& \text{2013}\\ \text{Alabama}& \text{3,450}& \text{3,720}\\ \text{Arkansas}& \text{2,150}& \text{2,280}\\ \text{Florida}& \text{15,540}& \text{15,710}\\ \text{Georgia}& \text{6,970}& \text{7,310}\\ \text{Kentucky}& \text{3,160}& \text{3,300}\\ \text{Louisiana}& \text{3,320}& \text{3,630}\\ \text{Mississippi}& \text{1,990}& \text{2,080}\\ \text{North Carolina}& \text{7,090}& \text{7,430}\\ \text{Oklahoma}& \text{2,630}& \text{2,690}\\ \text{South Carolina}& \text{3,570}& \text{3,580}\\ \text{Tennessee}& \text{4,680}& \text{5,070}\\ \text{Texas}& \text{15,050}& \text{14,980}\\ \text{Virginia}& \text{6,190}& \text{6,280}\end{array}$$

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Statistics · §10.4 Matched or Paired Samples (Optional) · Exercise 22