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Name: The length of Major League baseball games is approximately normally di
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Description: The length of Major League baseball games is approximately normally distributed and average is 2 hours and 50.1 minutes, with a standard deviation of 21.0 minutes. It has been claimed that New York Yankees baseball games last, on average, longer than

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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The length of Major League baseball games is approximately normally distributed and average is 2 hours and 50.1 minutes, with a standard deviation of 21.0 minutes. It has been claimed that New York Yankees baseball games last, on average, longer than the games of the other major league teams. To test the truth of the statement, a sample of 8 Yankee games was randomly identified and had a mean length of 190 minutes. Do these data shows sufficient evidence to conclude that the mean time of Yankees baseball games is longer than that of other Major League Baseball teams? Use ? = 0.05. Conduct a hypothesis test using either the classical or p-value approach.

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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