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2. The mean of X = 10 and the standard deviation of X = 2. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 680 and the variance of Xnew = 196. Suppose b is a positive number. What does a equal?

2. The mean of X = 10 and the standard deviation of X = 2. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 680 and the variance of Xnew = 196. Suppose b is a positive number. What does a equal?

MATLAB: An Introduction with Applications
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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The mean of X = 10 and the standard deviation of X = 5. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 360 and the standard deviation of Xnew = 80. 1. %3| %3D Suppose b is a positive number. What does a equal? 2. The mean of X = 10 and the standard deviation of X = 2. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 680 and the variance of Xnew = 196. Suppose b is a positive number. What does a equal? %3D The mean of X = 20 and = a + bX. The mean of Xnew = 2700 and the IQR of Xnew = 50. Suppose b is a positive number. What does a equal? IQR of X = 2. The variable X is linearly transformed such that Xnew 3.
Transcribed Image Text:The mean of X = 10 and the standard deviation of X = 5. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 360 and the standard deviation of Xnew = 80. 1. %3| %3D Suppose b is a positive number. What does a equal? 2. The mean of X = 10 and the standard deviation of X = 2. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 680 and the variance of Xnew = 196. Suppose b is a positive number. What does a equal? %3D The mean of X = 20 and = a + bX. The mean of Xnew = 2700 and the IQR of Xnew = 50. Suppose b is a positive number. What does a equal? IQR of X = 2. The variable X is linearly transformed such that Xnew 3.
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