Mathematics, 11.12.2019 22:31 Leggett8152
An experiment was done to look at whether different relaxation techniques could predict sleep quality better than nothing. a sample of 400 participants were randomly allocated to one of four groups: massage, hot bath, reading or nothing. for one month each participant received the same relaxation technique for 30 minutes before going to bed each night. a special device was attached to the participant’s wrist that recorded their quality of sleep, providing them with a score out of 100. the outcome was the average quality of sleep score over the course of the month. which test could we use to analyse these data? a. regression or anova b. regression only c. anova only d. chi-square
Answers: 3
Mathematics, 21.06.2019 13:30
Which of the following lines is not parallel to the graph of y = 4x +7?
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Mathematics, 21.06.2019 17:00
Which of the symbols correctly relates the two numbers below check all that apply 6? 6
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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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An experiment was done to look at whether different relaxation techniques could predict sleep qualit...
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