Answered: Listed in the accompanying data table…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Listed in the accompanying data table are birth weights (g) from a sample of 26 births. Use the sample data and test the claim that girls and boys have the same median birth weight. Use 0.01 significance level . Use the Wilcoxon rank sum test.

girls 3300 900 2500 4000 2800 2200 3100 3300 2700 2500 3700 2900 2800 3300

boy 3600 2500 3800 3800 3100 1500 3200 4000 3200 3100 3000 300

please help me identify the p value. I've been typifying all night and keep getting the wrong answer.

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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