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Get Full Access to Elementary Statistics - 12 Edition - Chapter 13.4 - Problem 3bsc
Get Full Access to Elementary Statistics - 12 Edition - Chapter 13.4 - Problem 3bsc

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# What Are We Testing Refer to the sample data in Exercise.

ISBN: 9780321836960 18

## Solution for problem 3BSC Chapter 13.4

Elementary Statistics | 12th Edition

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Problem 3BSC

What Are We Testing? ?Refer to the sample data in Exercise. Assuming that we use the Wilcoxon rank-sum test with those data, identify the null hypothesis and all possible alternative hypotheses. Exercise Flight 19 -5 -32 -13 -9 -19 49 -30 -23 14 -21 -32 11 Flight 21 -23 28 103 -19 -5 -46 13 -3 13 106 -34 -24

Step-by-Step Solution:

Solution 3BSC Step 1 : In the above example the data consists of the arrival delay times of American Airlines Flights 19 and 21 taken randomly The null hypothesis be H :0The median of the delay in arrival time of flight 19 is equal to the median of the delay in arrival time of flight 21. Possible alternative hypothesis be i) H : The median of the delay in arrival time of flight 19 is not equal to the median of 1 the delay in arrival time of flight 21. ii) H 1 The median of the delay in arrival time of flight 19 is greater than the median of the delay in arrival time of flight 21. iii) H : The median of the delay in arrival time of flight 19 is less than the median of the 1 delay in arrival time of flight 21.

Step 2 of 1

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