vith Exemor, and 195 find relief from their depression. Can we conclude, at the 0.01 level of significance, that the proportion P, of all depressed individuals aking Resithan who find relief from depression differs from the proportion p, of all depressed individuals taking Exemor who find relief from depression?
vith Exemor, and 195 find relief from their depression. Can we conclude, at the 0.01 level of significance, that the proportion P, of all depressed individuals aking Resithan who find relief from depression differs from the proportion p, of all depressed individuals taking Exemor who find relief from depression?
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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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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
Transcribed Image Text:Two popular drugs used for the treatment of depression are Resithan and Exemor. A random sample of 402 depressed individuals is selected and treated with
Resithan, and 146 find relief from their depression. A random sample of 587 depressed individuals is independently selected from the first sample and treated
with Exemor, and 195 find relief from their depression. Can we conclude, at the 0.01 level of significance, that the proportion p, of all depressed individuals
taking Resithan who find relief from depression differs from the proportion p, of all depressed individuals taking Exemor who find relief from depression?
Perform a two-tailed test. Then complete the parts below.
Carry your intermediate computations to three or more decimal places and round your answers as specified in the parts below. (If necessary, consult a list of
formulas.)
(a) State the null hypothesis H, and the alternative hypothesis H,.
H, :0
H :0
(b) Determine the type of test statistic to use.
(Choose one) ▼
O=0
OSO
(c) Find the value of the test statistic. (Round to three or more decimal places.)
O<O
?
(d) Find the two critical values at the 0.01 level of significance. (Round to three or more decimal places.)
I and|
(e) Can we conclude that the proportion of depressed individuals taking Resithan who find relief differs
from the proportion taking Exemor who find relief?
Oves O No
Ix
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