Answered: Use technology to construct the…

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

Use technology to construct the confidence intervals for the population variance σ2 and the population standard deviation σ.
Assume the sample is taken from a normally distributed population.

c=0.95,

s=36,

n=16

The confidence interval for the population variance is

(enter your response here,enter your response here).

(Round to two decimal places as needed.)

The Standard Deviation for the population variance is

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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