Matched or Paired Samples · Exercise 23

A traveler wanted to know if the prices of hotels are different in the ten cities that he visits the most often. The list of the cities with the corresponding hotel prices for his two favorite hotel chains is in. Test at the 1% level of significance.

$$\begin{array}{ccc}\text{Cities}& \text{Hyatt Regency prices in dollars}& \text{Hilton prices in dollars}\\ \text{Atlanta}& \text{107}& \text{169}\\ \text{Boston}& \text{358}& \text{289}\\ \text{Chicago}& \text{209}& \text{299}\\ \text{Dallas}& \text{209}& \text{198}\\ \text{Denver}& \text{167}& \text{169}\\ \text{Indianapolis}& \text{179}& \text{214}\\ \text{Los Angeles}& \text{179}& \text{169}\\ \text{New York City}& \text{625}& \text{459}\\ \text{Philadelphia}& \text{179}& \text{159}\\ \text{Washington, DC}& \text{245}& \text{239}\end{array}$$

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

OpenStax, Introductory Statistics 2e · §10.4 Matched or Paired Samples · Exercise 23