Answers: 3
Mathematics, 21.06.2019 17:20
Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
Answers: 2
Mathematics, 21.06.2019 18:00
For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip
Answers: 1
4x^2y-6xy
8x^2-12xy
5x(3x+1)-2(1+3x)...
8x^2-12xy
5x(3x+1)-2(1+3x)...
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