FrequencyHistogram of Monthly Salary20009110008 00 0091S 00SIS OO4 1000 0 1 10 0001S006SGross monthly salary1. For the histogram above, what is the class width?2. How many classes does the histogram have?3. Does the histogram have a "bell-shape"? Explain.

Name: FrequencyHistogram of Monthly Salary20009110008 00 0091S 00SIS OO4 10
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Description: FrequencyHistogram of Monthly Salary20009110008 00 0091S 00SIS OO4 1000 0 1 10 0001S006SGross monthly salary1. For the histogram above, what is the class width?2. How many classes does the histogram have?3. Does the histogram have a "bell-shape"? Ex

Answered: Frequency Histogram of Monthly Salary…

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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Frequency
Histogram of Monthly Salary
200
091
10
008 00 0091S 00SIS OO4 1000 0 1 10 0001S
006S
Gross monthly salary
1. For the histogram above, what is the class width?
2. How many classes does the histogram have?
3. Does the histogram have a "bell-shape"? Explain.

Expert Solution

Step 1

There are 4 bars between two consecutive numerical labels on the growth monthly salary axis.

There are 23 bars in total ranging from smallest to longest in the given histogram, among which most of the bars are clustering in the left side of graph.

(1)

Consider the first two consecutive level on the growth monthly salary axis, namely 800 $$$ and 900 $$$ .

Since, each bar is considered as a class and there 4 classes between 800 $$$ and 900 $$$ .

Therefore, the each class width can be determined by dividing $(900 $ - 800 $)$ by 4.

$\begin{array}{rcl} C l a s s w i d t h & = & \frac{900 $ - 800 $}{4} \\ = & \frac{100 $}{4} \\ = & 25 $ \end{array}$

Hence, the class width is equal to 25 $$$ .

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