Mathematics, 08.05.2021 03:40 honey66
A researcher is interested in exploring the relationship between calcium intake and weight loss. Two different groups, each with 26 dieters are chosen for the study. Group A is required to follow a specific diet and exercise regimen and also take a 500mg supplement of calcium each day. Group B is required to follow the same diet and exercise regimen but with no supplemental calcium. After six months on the program, then members of Group A had a lost a mean of 11.9 pounds with a standard deviation of 2.8 pounds. The members of group B had lost a mean of 13.8 pounds with a standard deviation of 1.9 pounds during the same period. Assume that the population variances are not the same m. Construct a 95-% confidence interval to estimate the true difference between the mean amounts of weight lost by dieters who supplement calcium and those who do not. Let population 1 be the amount of weight lost by group A who took 500 mg
Answers: 1
Mathematics, 21.06.2019 17:30
Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.
Answers: 1
Mathematics, 22.06.2019 00:30
Match the one-to-one functions with the graphs of their inverse functions.
Answers: 3
A researcher is interested in exploring the relationship between calcium intake and weight loss. Two...
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