An advertisement for a cross-country ski machine, NordicTrack, claimed, “In just 12 weeks, research shows that people who used a NordicTrack lost an average of 18 pounds.” Explain how each of the...

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An advertisement for a cross-country ski machine, NordicTrack, claimed, “In just 12 weeks, research shows that people who used a NordicTrack lost an average of 18 pounds.” Explain how each of the following components should have been addressed if the research results are fair and unbiased.



a. Component 3: The individuals or objects studied and how they were selected.


b. Component 4: The exact nature of the measurements made or questions asked.


c. Component 5: The setting in which the measurements were taken.


d. Component 6: Differences in the groups being compared, in addition to the factor of interest.





Answered Same DayDec 25, 2021

Answer To: An advertisement for a cross-country ski machine, NordicTrack, claimed, “In just 12 weeks, research...

David answered on Dec 25 2021
128 Votes
Assignment



a) Here the subject of interest is to study about the effect of using Nordic Track, a ski machine, for the
loss of weight. The Advt says by use of this machine, in just 12 weeks, users lose an average of 18
pounds.
Hence the study would be about the individuals who used this machine. A random sample of the willing
users of this machine, preferably more than 30 subject to availability as large as possible would be taken
and observed. Their weights...
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