Answered: A baseball player hits long homeruns. A…

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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A baseball player hits long homeruns. A sample of 6 homeruns is taken. The distance of each home run in the sample is given below:{440, 460, 420, 470, 460, 450}

a. Assuming home run distances are normally distributed, construct a 95% confidence interval for the mean home run distance

b. Another team wants to trade for the player. They estimate he would need to average better than 430 ft per home run to maintain his home run production. Is there sufficient evidence at the level 05α=.05 to put the new team at ease? (use the p value approach)

*note-show step by step and functions used in excel

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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