(need worth 25 points! ! )

which relationships would most likely be casual? select two options

a) a negative correlation between the temperature and the amount of snow still on the ground

b) a negative correlation between the length of digital photos uploaded to a website and the amount of storage space that is left

c) a positive correlation between the length of the side of a pool and it's depth

d) a positive correlation between the height of a woman and the height of her brother

e) a negative correlation between the volume of water in a pot and the amount of time that the water takes to boil

Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test

What is the value of g(8) for the function g(x) in part c? what does this value mean in the context of the situation you described in part c?

68 complete the following proof. given: qk=16, pk=26, mk=65, kl=40prove: ∆qpk~∆lmk