
Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Material Type: Quiz; Class: Intro to Statistics; Subject: Mathematics; University: Southern Illinois University Carbondale; Term: Spring 2011;
Typology: Quizzes
1 / 1
This page cannot be seen from the preview
Don't miss anything!
) /
Namer
Math 282 Section 1 Quiz #LO April 29,?ALI The placebo effect is particularly strong in patients with Parkinson's disease. To understand the workings of the placebo effect, scientists made chemical rneasurementsat a key point in the brain when patients received a placebo that they thought was an active drug and also when no placebo was given. The same six patients were measured at different times and the differences, with and without the placebo,werefound to haver: -0.326 and s -^ 0.181. Is there significant evidence of a differencebetween the mean responseswith and without the placebo? You may assumehere the differencesare normally distributed.
X -J/o
.-/