A. Headache Pain : There are many over-the-counter pain relievers. By the end of the semester, you have a tremendous headache and are looking for the most effective pain relief available. You conduct a study comparing the three most popular pain relievers and a placebo to see which work best. You use only subjects with headaches and record the amount of time (in minutes) it takes for their headache to go away after they receive the medication. You randomly assign 60 participants to one of the four conditions using a double- blind procedure. (Use a = .05) Drug A 30 Drug B 10 Drug C 10 Placebo 70 30 60 40 10 20 10 50 40 60 30 10 30 10 30 40 40 30 20 30 20 10 20 30 40 60 40 20 30 50 30 30 10 30 30 20 20 60 20 10 10 20 50 40 20 30 20 20 10 40 20 30 30
A. Headache Pain : There are many over-the-counter pain relievers. By the end of the semester, you have a tremendous headache and are looking for the most effective pain relief available. You conduct a study comparing the three most popular pain relievers and a placebo to see which work best. You use only subjects with headaches and record the amount of time (in minutes) it takes for their headache to go away after they receive the medication. You randomly assign 60 participants to one of the four conditions using a double- blind procedure. (Use a = .05) Drug A 30 Drug B 10 Drug C 10 Placebo 70 30 60 40 10 20 10 50 40 60 30 10 30 10 30 40 40 30 20 30 20 10 20 30 40 60 40 20 30 50 30 30 10 30 30 20 20 60 20 10 10 20 50 40 20 30 20 20 10 40 20 30 30
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 25PPS
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Transcribed Image Text:A. Headache Pain : There are many over-the-counter pain relievers. By the end of the semester, you have a tremendous headache and
are looking for the most effective pain relief available. You conduct a study comparing the three most popular pain relievers and a
placebo to see which work best. You use only subjects with headaches and record the amount of time (in minutes) it takes for their
headache to go away after they receive the medication. You randomly assign 60 participants to one of the four conditions using a double-
+ blind procedure. (Use a =
Placebo
70
Drug A
30
Drug B
10
Drug C
10
30
60
40
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40
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30
30
10
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60
20
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State the hypotheses
Critical value and df
Test statistic
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