Answered: Suppose you are representing the…

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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Suppose you are representing the employees at a large corporation during contract negotiations. You have a list of the salaries of all the employees at the corporation. The company has many lower level employees and only a few high paid management employees. There is a complicated system of raises that makes it so that there are many different salaries for the lower level employees. a. Which measure of center would you use to represent the employees? You are trying to support the claim that the lower level employees are not making enough money so you want to compare the average salary for this company with the national average. median O mode O mean b. Why is this the better choice? Explain why you chose your answer and why the other two of center are not as appropriate.

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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