Answered: The number of calories in a 12-ounce…

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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Question

The number of calories in a 12-ounce serving of randomly-selected regular and lite beers is listed.

Find the critical value to test that the mean number of calories for lite beers is significantly more than that for the regular beers? Use. Assume the variables are approximately normally distributed. Use the level of significance=0.01.

Sample1=Regular Sample2=Lite

Regular:	142	164	95	108	154	168	122	160
	176	111	113	176	154
Lite:	115	108	91	75	123	91	34	129
	37	106

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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