from headeches 15 minutos after treatment. Among tho 152 pationte given the placebo, 33 were free from hendachee 15 minutes afler treetment. Use a 0.01 significance level to test the claim that the axygen treetment is offective. Complein parts (a) through In a study of treatments for very painfl "oluster" headaches, 140 patients were treated with axypen and 152 other petients were given a placebo consleting of ordinary oir. Among the 140 petients in the oxygen treatment group. 120 were free below - a Teat the claim uning a hypothesis teat Consider the first aample to be the sample of patients treatod with axypen and the second sample to be the sample of patients given a plecnbo. What are the null and alternative hypotheses for the hypothesis test? OC. Ho P, P2 H4: P P2 OF. Ho: P=P2 H: PP2 OB. Ho: P, 2P2 H: P P2 OA HiP S P OD. H:P, P2 H:P =P OE Ho: P, P2 H: P:
from headeches 15 minutos after treatment. Among tho 152 pationte given the placebo, 33 were free from hendachee 15 minutes afler treetment. Use a 0.01 significance level to test the claim that the axygen treetment is offective. Complein parts (a) through In a study of treatments for very painfl "oluster" headaches, 140 patients were treated with axypen and 152 other petients were given a placebo consleting of ordinary oir. Among the 140 petients in the oxygen treatment group. 120 were free below - a Teat the claim uning a hypothesis teat Consider the first aample to be the sample of patients treatod with axypen and the second sample to be the sample of patients given a plecnbo. What are the null and alternative hypotheses for the hypothesis test? OC. Ho P, P2 H4: P P2 OF. Ho: P=P2 H: PP2 OB. Ho: P, 2P2 H: P P2 OA HiP S P OD. H:P, P2 H:P =P OE Ho: P, P2 H: P:
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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Transcribed Image Text:In a study of treatments for very painful "oluster headaches, 140 patients were treated with oxygen and 152 other patients were given a placebo conslsting of ordinary air. Among the 140 patients in the axygen treatment group. 120 were free
from hoadeches 15 minutos aflor troatment Among tho 152 pationts given the placebo, 33 were free from headachee 15 minutos after treatment. Use a 0.01 significance level to tost the dlaim thet the oxygen troetment is offoctive. Complele
parts (a) trough (e) below.
e. Toet the olaim using a hypothesis test
Consider the first sample to be the sample of petients troated with axypen and the necond sample to be the sample of patients given a plecnbo. What nre the null and alternative hypothesos for theo hypothesis test?
OC. Ho: P1 =P2
OA Hg: P, SP
H:P Pa
O B. Ho: P, 2p2
H: P P2
OE H: P, =P2
H: Pr <P2
OF. Ho: P1=P2
H4: P AP2
OD. H: P P2
H:P: "P2
Identify the toat statistic.
(Round to two decimal places as needed.)
Idantify the P-value.
P.value =
(Round to three decimal places as noeded.)
What is the condlusion based on the hypothesis tost?
The P-value is
V the significance level of a= 0.01, so
V the null hypothesis. There
V evidence to support the claim that the cure rate with oxygen treatment is higher than the cure rate for those given a
placebo.
Tost the claim by constructing an appropriate confidence interval.
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