Answered: 1. Make a frequency distribution for…

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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I need part B only

Here is the solution of part a

A frequency distribution displays various outcomes in a sample. Frequency indicates the number of occurrences.

The inputs of a frequency table are-

Class Boundaries
Midpoint
Frequency

The Frequency distribution for the given data is-

Class boundary	Mid point	Frequency
60-70	65	2
70-80	75	6
80-90	85	4
90-100	95	6
100-110	105	4
110-120	115	2

Each lower class boundary is included in that class and the Midpointupper-class boundary is included in the next class. But in the last class (110-120) upper class is included in that class.

1. Make a frequency distribution for the following data of inches of rainfall in Brooklyn per year, using
6 classes.
60
105
95
80
90
100
75
70
84
98
102
70
65
88
90
75
78
94
110
120
95
80
76
108
(a) Use the table to create a Frequency Table to simplify the data.
Class
Classes
Frequency
Boundaries
(b) Create a histogram for the data. Include all labels.

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