Answered: hwm8 8.8 2 Eleanor scores 680 on 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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hwm8 8.8 2

Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores in recent years has been Normal with mean 574 and standard deviation 87.

Gerald takes the ACT Assessment mathematics test and scores 27. ACT math scores are Normally distributed with mean 23.2 and standard deviation 3.8.

What is Elanor's standardized score?

Round to 2 decimal places.
What is Gerald's standardized score?

Round to 2 decimal places.

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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