Answered: A: 5, 7, 9, 10, 11, 11, 12, 12, 12, 13,…

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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Question

A: 5, 7, 9, 10, 11, 11, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 17,18, 20

For the data set:

a. Calculate the range and determine a bin width that will allow you to sort the data into six intervals of equal width
b. Using the bin width from a) create a histogram of the data (may need a frequency table first)
c. Calculate the mean, median, and mode. Which measure best describes the central tendency of each data set? Why?
d. Calculate Q1, Q2, Q3 and the IQR (use the raw data listed above)

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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