17. An experiment was conducted to sec which program, the nicotine patch or counscling, was best at helping people quit smoking. A group of 500 smokers that wanted to quit were randomly assigned to one of four treatment groups. The first group was given a nicotine patch The second group was also given a patch that did not contain any nicotine. The third group reccived wockly counscling about the harmful effects of smoking. The fourth group was given a nicotine patch and weekly counseling about the harmful effects of smoking. After 6 months thc proportion of people in the fourth group that had quit smoking was statistically significantly greater than any of the other three groups. What does statistically significant mcan in this context? The greater proportion of smokers that quit smoking in the fourth group was unlikcly to occur by chance variation so the treatment of counseling and patch does not seem to help people quit smoking more than the other treatments. b. a. The greater proportion of smokers that quit smoking in the fourth group was likely to occur by chance variation so the treatment of counscling and patch does not scem to help people quit smoking more than the other treatmcnts. The greater proportion of smokers that quit smoking in the fourth group was unlikcly to occur by chance variation so the treatment of counseling and patch does seem to help people quit smoking more than the other treatments. The greater proportion of smokers that quit smoking in the fourth group was likely to occur by chance variation so the treatment of counseling and patch docs seem to с. d.
17. An experiment was conducted to sec which program, the nicotine patch or counscling, was best at helping people quit smoking. A group of 500 smokers that wanted to quit were randomly assigned to one of four treatment groups. The first group was given a nicotine patch The second group was also given a patch that did not contain any nicotine. The third group reccived wockly counscling about the harmful effects of smoking. The fourth group was given a nicotine patch and weekly counseling about the harmful effects of smoking. After 6 months thc proportion of people in the fourth group that had quit smoking was statistically significantly greater than any of the other three groups. What does statistically significant mcan in this context? The greater proportion of smokers that quit smoking in the fourth group was unlikcly to occur by chance variation so the treatment of counseling and patch does not seem to help people quit smoking more than the other treatments. b. a. The greater proportion of smokers that quit smoking in the fourth group was likely to occur by chance variation so the treatment of counscling and patch does not scem to help people quit smoking more than the other treatmcnts. The greater proportion of smokers that quit smoking in the fourth group was unlikcly to occur by chance variation so the treatment of counseling and patch does seem to help people quit smoking more than the other treatments. The greater proportion of smokers that quit smoking in the fourth group was likely to occur by chance variation so the treatment of counseling and patch docs seem to с. d.
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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