Hours worked per week211020171313201517192013131414 What proportion of scores fall above the lowest score for hours worked?What proportion of scores fall between the highest score and the median score for hours worked?

Name: Hours worked per week211020171313201517192013131414 What proportion of
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Description: Hours worked per week211020171313201517192013131414 What proportion of scores fall above the lowest score for hours worked?What proportion of scores fall between the highest score and the median score for hours worked?

Answered: Hours worked per week 21 10 20 17…

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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Hours worked per week
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What proportion of scores fall above the lowest score for hours worked?
What proportion of scores fall between the highest score and the median score for hours worked?

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.

Expert Solution

Step 1

Data represents Hours worked per week .

First find mean & standard deviation for the given data .

The sample size is $n = 15$ . The provided sample data along with the data required to compute the sample mean $\bar X$ and sample variance $s^2$ are shown in the table below:

	X	X²
	21	441
	10	100
	20	400
	17	289
	13	169
	13	169
	20	400
	15	225
	17	289
	19	361
	20	400
	13	169
	13	169
	14	196
	14	196
Sum =	239	3973

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