Captoril is a drug designed to lower systolic blood pressure. When subjects were treated with this drug, their systolic blood pressure readings (in mm Hg) were measured before and after the drug was taken. Use a sign test and a 0.01 significance level to test if there is a sufficient evidence to support the claim that captoril has an effect on systolic blood pressure.SubjectABCDEFGHIJKLBefore200174198170179182193209185155169210After1911701771671591511761831591451461771. what is the tabular value? (Type as a whole number.)2. what is the conclusion of the study?There is no effect hence the median of the differences is equal to 0.There is an effect hence the median of the differences is greater than 0.There is an effect hence the median of the differences is not equal to 0.There is an effect hence the median of the differences is less than 0.

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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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Captoril is a drug designed to lower systolic blood pressure. When subjects were treated with this drug, their systolic blood pressure readings (in mm Hg) were measured before and after the drug was taken. Use a sign test and a 0.01 significance level to test if there is a sufficient evidence to support the claim that captoril has an effect on systolic blood pressure.

Subject	A	B	C	D	E	F	G	H	I	J	K	L
Before	200	174	198	170	179	182	193	209	185	155	169	210
After	191	170	177	167	159	151	176	183	159	145	146	177

1. what is the tabular value? (Type as a whole number.)

2. what is the conclusion of the study?

There is no effect hence the median of the differences is equal to 0.

There is an effect hence the median of the differences is greater than 0.

There is an effect hence the median of the differences is not equal to 0.

There is an effect hence the median of the differences is less than 0.

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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