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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?
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Mathematics, 21.06.2019 18:40
Which expression gives you the distance between the points (5,1)and(9,-6)
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Mathematics, 21.06.2019 18:50
If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?
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What is 0/0? i need help with some math!??!?!...
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