During a weather report, a meteorologist claims that the median daily high temperature for the month of
Question:
During a weather report, a meteorologist claims that the median daily high temperature for the month of January in San Diego is \(66^{\circ}\) Fahrenheit. The high temperatures (in degrees Fahrenheit) for 16 randomly selected January days in San Diego are listed below. At \(\alpha=0.01\), can you reject the meteorologist's claim? (Adapted from U.S. National Oceanic and Atmospheric Administration)
\[ \begin{array}{llllllllllllllll} 78 & 74 & 72 & 72 & 70 & 70 & 72 & 78 & 74 & 71 & 72 & 74 & 77 & 79 & 75 & 73 \end{array} \]
(a) identify the claim and state \(H_{0}\) and \(H_{a}\),
(b) find the critical value,
(c) find the test statistic,
(d) decide whether to reject or fail to reject the null hypothesis,
(e) interpret the decision in the context of the original claim.
Step by Step Answer:
Elementary Statistics Picturing The World
ISBN: 9781292260464
7th Global Edition
Authors: Betsy Farber, Ron Larson