Mathematics, 14.12.2021 23:50 lmgarrabrant8587
Study 1 Researchers studied the effect of eating nuts on cholesterol levels. 600 volunteers were divided into two groups. One group was required to consume a fixed quantity of nuts every day for five weeks. The other group ate no nuts during the same period. Study 2 Researchers studied the effect of eating chocolates on incidence of depression. 2,300 participants were asked to fill out questionnaires to determine if they were depressed. Volunteers were also asked to state the number of chocolate bars they ate each week. Which statement correctly describes the two studies? A) Both studies were experimental studies. B) Both studies were observational studies. C) Either study could be considered as observational. D) Study 1 was an experimental study and Study 2 was an observational study.
Answers: 1
Mathematics, 21.06.2019 16:00, pringleosmond
65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.
Answers: 3
Mathematics, 21.06.2019 19:30, nmg9
The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons
Answers: 3
Mathematics, 21.06.2019 22:30, minnahelhoor
How do i find the missing angle measure in a polygon
Answers: 1
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