Answered: An outlier is an observation that falls…

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

An outlier is an observation that falls more than 1.5 IQR's above the third quartile or more than 1.5 IQR's below quartile I.

According to this definition, which of the following z-scores is the smallest z-score that would correspond to an outlier on the high end of a standard normal distribution?

Select one answer

A 2.00

B 2.25

C 2.50

D 2.75

E 3.15

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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