Mathematics, 05.12.2019 01:31 juliannxkim
Researchers randomly choose two groups from 15 volunteers. over a period of 9 weeks, one group watches television before going to sleep, and the other does not. volunteers wear monitoring devices while sleeping, and researchers record dream activity. which type of study method is described in each situation?
a. not enough information given.
b. observational study
c. survey
d. controlled experiment
Answers: 2
Mathematics, 21.06.2019 16:00
Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10
Answers: 1
Mathematics, 21.06.2019 17:00
100 points, hi, iโm not sure what to do here,the data doesnโt seem to be quadratic .? can anyone me, in advance
Answers: 2
Researchers randomly choose two groups from 15 volunteers. over a period of 9 weeks, one group watch...
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