Excursions In Modern Mathematics, 9th Edition

9th Edition

ISBN: 9780134494142

Author: Tannenbaum

Publisher: PEARSON

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Textbook Question

Chapter 17, Problem 29E

Consider the normal distribution represented by the normal curve in Fig. 17-16. Find the mean μ and the standard deviation σ of the distribution.

Chapter 17, Problem 29E, Consider the normal distribution represented by the normal curve in Fig. 17-16. Find the mean and

Figure 17-16

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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Chapter 17, Problem 28E

Chapter 17, Problem 30E

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Chapter 17 Solutions

Excursions In Modern Mathematics, 9th Edition

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Consider the normal distribution represented by the normal curve in Fig. 17-16 . Find the mean μ and the standard deviation σ of the distribution. Figure 17-16

Solution Summary: The author determines the mean and standard deviation of the given graph. The normal distribution is represented by the horizontal axis and line of symmetry.

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Chapter 17 Solutions