Table 2DepartmentMeanSDCoefVarMinQ1MedianQ3MaxIQRSkewnessFinance6.0523.87464.011.6303.3934.5857.50022.8604.1072.00HR5.4413.23559.452.0003.2004.1006.43021.8603.2301.24IT5.8803.88766.100.5303.2504.6306.824.9803.5502.18Marketing6.0103.73762.181.6703.4755.0006.64522.2003.1702.14Training6.0953.71961.021.5003.3305.0007.64020.0004.3102.00 CoefVar stands for coefficient of variation graph (1) The company has hired you to answer the following questions: Do you think that the salaries in the departments are skewed, justify your answer with proper measure from table (2). Boxplot of salary25201510FinanceHRITMarketingTrainingDepartment***** ***** ***** *salary

Skewness: A frequency distribution of the set of values that is not symmetrical or normal is called…

Answered: Table 2 Department Mean SD CoefVar…

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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Table 2

Department	Mean	SD	CoefVar	Min	Q1	Median	Q3	Max	IQR	Skewness
Finance	6.052	3.874	64.01	1.630	3.393	4.585	7.500	22.860	4.107	2.00
HR	5.441	3.235	59.45	2.000	3.200	4.100	6.430	21.860	3.230	1.24
IT	5.880	3.887	66.10	0.530	3.250	4.630	6.8	24.980	3.550	2.18
Marketing	6.010	3.737	62.18	1.670	3.475	5.000	6.645	22.200	3.170	2.14
Training	6.095	3.719	61.02	1.500	3.330	5.000	7.640	20.000	4.310	2.00

CoefVar stands for coefficient of variation

graph (1)

The company has hired you to answer the following questions:

Do you think that the salaries in the departments are skewed, justify your answer with proper measure from table (2).

Boxplot of salary
25
20
15
10
Finance
HR
IT
Marketing
Training
Department
*
***
* ***
** *
***
* *
salary

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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