Answered: Which of the following is the possible…

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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23 -

Which of the following is the possible value of the error of the estimation in estimating the population mean to be made at a confidence level of 0.95, with a mean of 30.1 and a standard deviation of 2, for a sample of size 81 randomly drawn from a normally distributed population?

0.12

1.08

NS)

0.44

2.98

TO)

0.04

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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