Mathematics, 18.02.2020 18:47 flowersthomas1969
A group of researchers is designing an experiment to test whether an herbal supplement will help people lose weight. The researchers selected a sample of 500 adults who want to lose weight, and over the next four months, 250 of them will take the herbal supplement daily whereas the remaining 250 will take a placebo daily. At the end of the four months, the researchers will compare the weight loss for the two groups.
Why is it important that the researchers use randomization to assign each of the adults who want to lose weight to a treatment group?
Answers: 2
Mathematics, 21.06.2019 13:20
What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.
Answers: 1
Mathematics, 21.06.2019 15:40
The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?
Answers: 3
Mathematics, 21.06.2019 19:30
Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29
Answers: 2
Mathematics, 21.06.2019 22:00
Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?
Answers: 1
A group of researchers is designing an experiment to test whether an herbal supplement will help peo...
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