Answered: Suppose that the heart beat per minute…

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

Suppose that the heart beat per minute (bpm) of adult males has a normal distribution with a mean of

mu equals 68μ=68

bpm and a standard deviation of

sigma equals 11.3σ=11.3

bpm. Instead of using 0.05 for identifying significant values, use the criteria that a value x is significantly high if P(x or

greater)less than or equals≤0.01

and a value is significantly low if P(x or

less)less than or equals≤0.01.

Find the pulse rates for males that separate significant pulse rates from those that are not significant. Using these criteria, is a male pulse rate of

beats per minute significantly high?

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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