Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant criteria?Temperature(degrees°F)Frequency45 dash 4945-491150 dash 5450-540055 dash 5955-595560 dash 6460-641212Temperature(degrees°F)Frequency65 dash 6965-699970 dash 7470-747775 dash 7975-7911

Normal Distribution: If the distribution is bell shaped, then it is defined as normal distribution.…

Answered: Does the frequency distribution appear…

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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Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant criteria?

Temperature (degrees°F)	Frequency
45 dash 4945-49	11
50 dash 5450-54	00
55 dash 5955-59	55
60 dash 6460-64	1212

Temperature (degrees°F)	Frequency
65 dash 6965-69	99
70 dash 7470-74	77
75 dash 7975-79	11

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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