Answered: Please answer true/false for each: a.…

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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Please answer true/false for each:

a. If creating a confidence interval for a population mean from a single sample, doubling the sample size will approximately halve the margin of error (i.e. the width) of the confidence interval.

b. “Power” is the likelihood that we will conclude that the population means are the same when in fact they are.

c. If in testing a hypothesis we choose α = 0.05, then there is up to a 5% chance we might make a Type I error if we decide to accept HA: μ1 ≠ μ2

d. For a sample of some fish of a certain type, we find the mean length and standard deviation and we find the resulting 90% confidence interval of (17.8, 22.2), thus we are 90% confident that the sample mean is between 17.8 and 22.2.

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