EXAMPLE 15 Assessing the strength of evidence against
Assess the strength of evidence against shown by the -values in (a) Example 13 and (b) Example 14.
Solution
In Example 13, we tested versus , where refers to the population mean user rating for JFK International Airport. Our -value of 0.0668 implies that there is moderate evidence against the null hypothesis that the population mean user rating for JFK Airport equals 3.0.
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NOW YOU CAN DO
Exercises 31–40.