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use the Wilcoxon rank-sum test.Taxi-Out Times Listed below

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 6 BSC Chapter 13.4

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 6 BSC

Problem 6BSC

use the Wilcoxon rank-sum test.

Taxi-Out Times    Listed    below are samples    of taxi-out    times    (min)    for American Airlines

Flights 19 and 21 (from Data Set 15 in Appendix B). Use the sample data to test the claim that taxi-out times for Flight 19 and Flight 21 have the same median. Use a 0.05 significance level.

Flight 19    15    12    19    18    21    20    13    15    43    18        17    19

Flight 21    13    20    12    17    35    19    22    43    49    45    13    23

Step-by-Step Solution:
Step 4 of 7

Solution 6BSC

Critical values

As the test is a two tailed test and the significance level is 0.05, that is a = 0.05.

Thus the critical values are z = -1.96 , z = 1.96.

Which implies that the critical region is

`

As the value of the test statics doesn’t lie in the critical region ,

So the null hypothesis can’t be rejected..

Step 7 of 7</p>

Interpretation

The median of the taxi-out times of the two flights is same there is no difference.

Step 5 of 7

Chapter 13.4, Problem 6 BSC is Solved
Step 6 of 7

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

The full step-by-step solution to problem: 6 BSC from chapter: 13.4 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. Elementary Statistics was written by and is associated to the ISBN: 9780321836960. This full solution covers the following key subjects: Flight, times, use, taxi, test. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. Since the solution to 6 BSC from 13.4 chapter was answered, more than 249 students have viewed the full step-by-step answer. The answer to “use the Wilcoxon rank-sum test.Taxi-Out Times Listed below are samples of taxi-out times (min) for American AirlinesFlights 19 and 21 (from Data Set 15 in Appendix B). Use the sample data to test the claim that taxi-out times for Flight 19 and Flight 21 have the same median. Use a 0.05 significance level.Flight 19 15 12 19 18 21 20 13 15 43 18 17 19Flight 21 13 20 12 17 35 19 22 43 49 45 13 23” is broken down into a number of easy to follow steps, and 79 words. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12.

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