Answered: 1. Compute for the mean and 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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Question

100%

100 92 77.5 76.5 76.5 92 90 74 80 74 89 73.5 88.5 72 71 87.5 69 87 66 86 87 86 86 85 81 78
1. Compute for the mean and the standard deviation.
2. What is the proportion above 87.5?

3. What is the proportion between 80 and 87?

4. What is the CEEB score of 74?

5. What is the Deviation IQ for a T of 37.5?

5______ Classify the student/s performance who got a score of 74? a) Poor b) below Ave c) Average d) Above Average e) Superior

5. What is the score equivalent to 96 percentile? _____
6. What is D5?
7. What is D8?

8. Is the data set a normal distribution? Justify

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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