6th Edition

ISBN: 9780137721023

Author: Bennett

Publisher: PEARSON C

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Chapter 6.C, Problem 6E

The weights of babies born at Belmont Hospital are normally distributed with a mean of 6.8 pounds and a standard deviation of 1.2 pounds.

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 6.C, Problem 5E

Chapter 6.C, Problem 7E

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