Answered: A goodness-of-fit test is performed to…

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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A goodness-of-fit test is performed to determine whether the number of newly vaccinated people per day is normally distributed. If the null hypothesis is rejected, how might the conclusion be worded?

A.There is significant evidence that the number of newly vaccinated people per day follows a normal distribution

B. There is insufficient evidence that the number of newly vaccinated people per day does not follow a normal distribution

C. There is significant evidence that the number of newly vaccinated people per day follows a uniform distribution

D. There is significant evidence that the number of newly vaccinated people per day does not follow a normal distribution

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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