b) Fill in the expected values, round answers to at least 1 decimal place.ExpectedPain Free:Pain Free: YesValuesNoTreatmentControl Migraine and Acupuncture: A migraine is a particularly painful type of headache, which patientssometimes wish to treat with acupuncture. To determine whether acupuncture relieves migrainepain, researchers conducted a randomized controlled study where 154 patients diagnosed withmigraine headaches were randomly assigned to one of two groups: treatment or control. 68patients in the treatment group received acupuncture that is specifically designed to treatmigraines. 86 patients in the control group received placebo acupuncture (needle insertion at non-acupoint locations). 24 hours after patients received acupuncture, they were asked if they were painfree. Results are summarized in the contingency table below. Test to see if migraine pain relief isdependent on receiving acupuncture. Use a = 0.1.Pain Free: YesPain Free: NoTotalTreatment204868Control68086Total26128154

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b) Fill in the expected values, round answers to at least 1 decimal place. Expected Pain Free: Pain Free: Yes Values No Treatment Control

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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Concept explainers

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.

Topic Video

Question

100%

b) Fill in the expected values, round answers to at least 1 decimal place.
Expected
Pain Free:
Pain Free: Yes
Values
No
Treatment
Control

Migraine and Acupuncture: A migraine is a particularly painful type of headache, which patients
sometimes wish to treat with acupuncture. To determine whether acupuncture relieves migraine
pain, researchers conducted a randomized controlled study where 154 patients diagnosed with
migraine headaches were randomly assigned to one of two groups: treatment or control. 68
patients in the treatment group received acupuncture that is specifically designed to treat
migraines. 86 patients in the control group received placebo acupuncture (needle insertion at non-
acupoint locations). 24 hours after patients received acupuncture, they were asked if they were pain
free. Results are summarized in the contingency table below. Test to see if migraine pain relief is
dependent on receiving acupuncture. Use a = 0.1.
Pain Free: Yes
Pain Free: No
Total
Treatment
20
48
68
Control
6
80
86
Total
26
128
154

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