9. Which list of real numbers is NOT ordered correctly?
A. -3.50 -2.75 -2.25 -1.05 ,0.05
B.-1/5 -1/7 1/7 1/5 40%
c. 3
D. -4/3 -4 , -1,-0.08 ,-0.07

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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?