17 -Which of the following is the test used to test the median from non-parametric tests? a)Mann Whitney U test B)chi-square NS)Friedman S test D)mark test TO)Cochran Q test

If we have been provided with two sample without any information of normality of the data , then we…

Answered: Which of the following is the test used…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 2CST

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17 -

Which of the following is the test used to test the median from non-parametric tests?

a)	Mann Whitney U test

B)	chi-square

NS)	Friedman S test

mark test

TO)	Cochran Q test

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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