What is the ratio of the calories Robyn burned on Thursday to the total number of calories she burned for the week?

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Which statement about perfect cubes is true

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?