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

## Problem 3 BSC Chapter 13.4

Elementary Statistics | 12th Edition

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Problem 3 BSC

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:
Step 1 of 3

Solution 3BSC

For the given problem null hypothesis and the possible alternative hypotheses are

H0: The median of the departure times of flight 19 is equal to the median of the departure time of flight 21.

Possible Alternative hypotheses.

(i) H1:The median of the late departure times of flight 19 is not equal...

Step 2 of 3

Step 3 of 3

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