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Name: A certain medication is supposed to contain a dosage of 250mg per pill
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Description: A certain medication is supposed to contain a dosage of 250mg per pill. A lab is quality testing the drug to determine if it contains the correct dosage, on average. A sample of 50 pills has average dosage 232 mg with standard deviation 25 mg. At a 2

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 certain medication is supposed to contain a dosage of 250mg per pill. A lab is quality testing the drug to determine if it contains the correct dosage, on average. A sample of 50 pills has average dosage 232 mg with standard deviation 25 mg. At a 2% level of significance, perform the hypothesis test. (Assume the underlying population of amount of drug in individual pills is approximately normally distributed.

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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