Mathematics, 03.06.2020 14:03 Zaxx2974
A recent research study randomly divided participants into groups who were given different levels of Vitamin E to take daily. One group received only a placebo pill. The research study followed the participants for eight years to see how many developed a particular type of cancer during that time period. Which of the following responses gives the best explanation as to the purpose of randomization in this studyA. To increase the accuracy of the research results B. To ensure that all potential cancer patients had an equal chance of beng selected for the study. C. To reduce the amount of sampling error D. To produce treatment groups with similar characteristics E. To prevent skewness n the resuits. F. I am not familiar with this matorial
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How to use order of operation in 20 divide by 4 multiply 5 = 1
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Mathematics, 21.06.2019 20:00
The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16
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Mathematics, 21.06.2019 23:00
36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
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Mathematics, 22.06.2019 03:20
Whuch statements about the diagram are true? select all that apply.
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A recent research study randomly divided participants into groups who were given different levels of...
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