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Mathematics, 06.05.2020 07:16 lesmontoya10
As the United States has struggled with the growing obesity of its citizens, diets have become big business. Among the many competing regimens for those seeking weight reduction are the Atkins and Zone diets. In a comparison of these two diets for one-year weight loss, a study (64) found that seventy-seven subjects on the Atkins diet had an average weight loss of x = −4.7 kg and a sample standard deviation of sX = 7.05 kg. Similar figures for the seventy-nine people on the Zone diet were y = −1.6 kg and sY = 5.36 kg.
Is the greater reduction with the Atkins diet statistically significant? Test for α = 0.05.
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