In a study of a weight loss program, 35subjects lost a mean of 3.2lbs after 12 months. methods of statistics can be used to show that if this diet had no effect, the likelihood of getting these results is roughly 6chances in 1000. does the weight loss program have statistical significance? does the weight loss program have practical significance? does the weight loss program have statistical significance?
a. yes, because the results are likely to occur by chance.
b. yes comma because the results are unlikely to occur by chance. this is the correct answer.
c. no comma because the results are likely to occur by chance.
d. no, because the results are unlikely to occur by chance. your answer is not correct.
does the weight loss program have practical significance?
a. no, the results have a chance to occur even if the weight loss program had no effect.
b. yes, the results are too unlikely to occur by chance.
c. no, someone starting a weight loss program would likely want to lose considerably more than 3.2lb.
d. yes, the amount of lost weight is large enough to be considered practically significant.