Mathematics, 07.11.2019 03:31 notseansafe
Migraines some people claim they can get relief from migraine headache pain by drinking a large glass of ice water. researchers plan to enlist several people who suffer from migraines in a test. participants will be randomly assigned to a standard pain reliever or a placebo. when a participant experiences a migraine headache, he or she will take the pill. half of each group will also drink ice water. participants will then report the level of pain relief they experience. a) identify the factors and levels in this experiment. b) identify the treatments and the response variable. c) is there any blinding described in the study? d) no blocking is described in the study. what might be an appropriate variable on which to block? clearly explain why you think this variable would be appropriate.
Answers: 2
Mathematics, 21.06.2019 16:20
Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3
Answers: 2
Mathematics, 21.06.2019 21:30
The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet
Answers: 3
Mathematics, 22.06.2019 00:00
Let u = {q, r, s, t, u, v, w, x, y, z} a = {q, s, u, w, y} b = {q, s, y, z} c = {v, w, x, y, z}. list the elements in the set.a ∩ (b ∪ c)a) {q, s, w, y}b) {q, y, z}c) {q, s, u, w, y, z}d) {q, r, w, y, z}
Answers: 1
Mathematics, 22.06.2019 02:50
There are 85 apples on the big tree, john picked out 15%. how many did john pick out?
Answers: 2
Migraines some people claim they can get relief from migraine headache pain by drinking a large glas...
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