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Name: The number of cups of coffee served at a local Tim Hortonâ€™s during t
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Description: The number of cups of coffee served at a local Tim Hortonâ€™s during the morningrush hour between 7 and 9 AM is normally distributed. Less than 200 cups served isconsidered a slow day, 200- 249 an average day, and over 250 a busy day. A randomsample

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 number of cups of coffee served at a local Tim Hortonâ€™s during the morningrush hour between 7 and 9 AM is normally distributed. Less than 200 cups served isconsidered a slow day, 200- 249 an average day, and over 250 a busy day. A randomsample of five days was taken and the sales figures observed. The results are as follows:184212194250200 Management is concerned that the average is falling below the national average of 210cups during this period. Test this hypothesis using alpha = 0.05.

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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