A new drug that has been on the market for only a few months is now being recalled because certain people are suffering severe side effects. Which of the following is a possbile statistical explanation from the clinical trials for this observation in the real world? a.The average (mean) effectiveness of the drug was lower than not taking the drug in trials b.The sample of the population in trials was not representative of all people taking the drug. c.The mean and median effectiveness were equal in clinical trials d.The percentage distribution of people taking the drug correctly in trials is normally distributed

Answered: A new drug that has been on the market…

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 new drug that has been on the market for only a few months is now being recalled because certain people are suffering severe side effects. Which of the following is a possbile statistical explanation from the clinical trials for this observation in the real world?

	a.	The average (mean) effectiveness of the drug was lower than not taking the drug in trials
	b.	The sample of the population in trials was not representative of all people taking the drug.
	c.	The mean and median effectiveness were equal in clinical trials
	d.	The percentage distribution of people taking the drug correctly in trials is normally distributed

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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