Suppose a hypertension trial is mounted and 18 participants are randomly assigned to one of the...

70.2K

Verified Solution

Question

Basic Math

Suppose a hypertension trial is mounted and 18 participants arerandomly assigned to one of the comparison treatments. Eachparticipant takes the assigned medication and their systolic bloodpressure (SBP) is recorded after 6 months on the assignedtreatment. Is there a difference in mean SBP among the threetreatment groups at the 5% significance level? The data are asfollows.  

Standard Treatment

Placebo

New Treatment

124

134

114

111

143

117

133

148

121

125

142

124

128

150

122

115

160

128

What is total variance (or as what it's called in ANOVA,\"MStotal\")?

  

A. 13.8

B.   189.6

C. 3222.9

D. 179.1

Answer & Explanation Solved by verified expert
3.9 Ratings (350 Votes)
applying    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students