Answered: A first-year medical student is…

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

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A first-year medical student is conducting a summer project with his medical school's pediatric department using adolescent intelligence quotient (IQ) data from a database of 1252 patients. he observes that the mean IQ of the dataset is 100. The standard deviation was calculated to be 10. assuming that the values are normally distributed, approximately 87% of the measurement will fall between which of the following limits?

a. 70-130

b. 65-135

c. 85-115

d. 80-120

e. 90-130

f. 95-105

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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