Answered: Chocolate Chip Cookie Calories The…

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

Chocolate Chip Cookie Calories The average

-ounce chocolate chip cookie contains

110

calories. A random sample of

different brands of

-ounce chocolate chip cookies resulted in the following calorie amounts. At the

=α0.10

level, is there sufficient evidence that the average calorie content is greater than

110

calories? Assume the population is normally distributed.

105

100

120

100

110

100

150

115

110

120

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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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