Matched or Paired Samples (Optional) · Exercise 24

A politician asked his staff to determine whether the underemployment rate in the Northeast decreased from 2011 to 2012. The results are in.

$$\begin{array}{ccc}\text{Northeastern States}& \text{2011}& \text{2012}\\ \text{Connecticut}& \text{17.3}& \text{16.4}\\ \text{Delaware}& \text{17.4}& \text{13.7}\\ \text{Maine}& \text{19.3}& \text{16.1}\\ \text{Maryland}& \text{16.0}& \text{15.5}\\ \text{Massachusetts}& \text{17.6}& \text{18.2}\\ \text{New Hampshire}& \text{15.4}& \text{13.5}\\ \text{New Jersey}& \text{19.2}& \text{18.7}\\ \text{New York}& \text{18.5}& \text{18.7}\\ \text{Ohio}& \text{18.2}& \text{18.8}\\ \text{Pennsylvania}& \text{16.5}& \text{16.9}\\ \text{Rhode Island}& \text{20.7}& \text{22.4}\\ \text{Vermont}& \text{14.7}& \text{12.3}\\ \text{West Virginia}& \text{15.5}& \text{17.3}\end{array}$$

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 24