Matched or Paired Samples · Exercise 15

A local cancer support group believes that the estimate for new female breast cancer cases in the south is higher in Year 2 than in Year 1. The group compared the estimates of new female breast cancer cases by southern state in Year 1 and in Year 2. The results are in.

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

OpenStax, Introductory Business Statistics 2e · §10.6 Matched or Paired Samples · Exercise 15