Answered: The heart rates for a group of 17…

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

The heart rates for a group of 17 students taking a final exam are given below. Assume heart rates are normally distributed. Use a TI-83, TI-83 plus, or TI-84 calculator to find the 95% confidence interval for the true population mean. Round your answers to two decimal places and use increasing order.

Beats per minute
92
101
93
89
93
89
92
95
86
93
96
93
96
87
94
97
101

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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