A doctor examining the effectiveness of smoking cessation programs wanted to examine the independent and joint effect of a support group and the patch. The following data are the average number of packs smoked 2 weeks after the interventions. Each group consisted of 10 people. Answer the following questions based on this table of means.

a. What is the grand mean?
b. Calculate the mean packs smoked at each level of support group.
c. Calculate the mean packs smokes at each level of the patch.

Question

A doctor examining the effectiveness of smoking cessation programs wanted to examine the independent and joint effect of a support group and the patch. The following data are the average number of packs smoked 2 weeks after the interventions. Each group consisted of 10 people. Answer the following questions based on this table of means. 
  
a. What is the grand mean? 
b. Calculate the mean packs smoked at each level of support group. 
c. Calculate the mean packs smokes at each level of the patch.

Quizplus · Accepted Answer

The Answer of A doctor examining the effectiveness of smoking cessation programs wanted to examine the independent and joint effect of a support group and the patch. The following data are the average number of packs smoked 2 weeks after the interventions. Each group consisted of 10 people. Answer the following questions based on this table of means. 
  
a. What is the grand mean? 
b. Calculate the mean packs smoked at each level of support group. 
c. Calculate the mean packs smokes at each level of the patch.

A Doctor Examining the Effectiveness of Smoking Cessation Programs Wanted