13th Edition

ISBN: 9781323774731

Author: Triola

Publisher: PEARSON

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Chapter 13, Problem 3CRE

In Exercises 1–3, use the data listed below. The values are departure delay times (minutes) for American Airlines flights from New York to Los Angeles. Negative values correspond to flights that departed early.

Chapter 13, Problem 3CRE, In Exercises 13, use the data listed below. The values are departure delay times (minutes) for

3. Departure Delay Times Use a nonparametric test to test the claim that the three samples are from populations with the same median departure delay time.

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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Chapter 13, Problem 2CRE

Chapter 13, Problem 4CRE

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Chapter 13 Solutions

ELEMTARY STATISTICS W/STATLAB(LL)

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Solution Summary: The author concludes that there is enough evidence to support the claim that the three samples are from populations with the same median delay time.

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