MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
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A sample of 21 independent observations is taken from a normal distribution of unknown mean u but known variance o = 79.42. The sample mean is 64.66 and the sample variance is 42. What is the width of %3D the 98% confidence interval for µ? Give your solution accurate to 4 decimal places. Answer:
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Transcribed Image Text:A sample of 21 independent observations is taken from a normal distribution of unknown mean u but known variance o = 79.42. The sample mean is 64.66 and the sample variance is 42. What is the width of %3D the 98% confidence interval for µ? Give your solution accurate to 4 decimal places. Answer:
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