Answered: Consider the following sample data…

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

Consider the following sample data which are the amounts spent by customers in 12 random stores in Wellington Mall on January 28, 2021

75, 55, 20, 65, 10, 85, 88, 103, 92, 77, 89, 105

What is the lower boundary of the fifth histogram from the left, the upper boundary of the fifth histogram from the left, and the number of data amounts that belong to the class represented by the fith histogram from the left?

Expert Solution

Step 1

The plot for the data is determined by the frequency of the number in the sample data.

So in the range of 20-30, there is only one number,

in 30-40, no number occurs,

in 40-50 also no number occurs,

in 50-60, there is one number, and so on. The histogram is

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