Answered: In a Science class of 60 students, 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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In a Science class of 60 students, the mean general average of the students at the end of the sem is 57 with a standard deviation of 4. Assuming that the scores are normally distributed, how many would pass given that the passing score is 50? a. 60 b. 57 c. 30 d. 47 The height of the students at St. Xavier University is normally distributed with a mean of 63 inches and a standard deviation of 3 inches. There are 5000 students at this school. How many students have a height between 60 to 66 inches? a. 3314 b. 3143 c. 3431 d. 3413 As in the data set, median is the middle value. Then, the median is an actual value from the data set. a. True b. False

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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