Mathematics, 04.10.2021 19:40 yesmi
A preliminary study conducted at a medical center in St. Louis has shown that treatment with
small, low intensity magnets reduces the self-reported level of pain in polio patients. During each session, a
patient rested on an examining table in the doctor's office while the magnets, embedded in soft pads, were
strapped to the body at the site of pain. Sessions continued for several weeks, after which pain reduction was
measured. A new study is being designed to investigate whether magnets also reduce pain in patients suffering
from herniated disks in the lower back. One hundred male patients are available for the new study.
(a) Describe an appropriate design for the new study. Your discussion should briefly address treatments used,
methods of treatment assignment, and what variables would be measured. Do not describe how the data would
be analyzed.
(b) Would you modify the design above if, instead of 100 male patients, there were 50 male and 50 female
patients available for the study? If so, how would you modify your design? If not, why not
Answers: 1
Mathematics, 21.06.2019 16:00
The table shows values for functions f(x) and g(x) . x f(x)=3x g(x)=2x+1 −2 19 −3 −1 13 −1 0 1 1 1 3 3 2 9 5 what is the solution to f(x)=g(x) ? select each correct answer.
Answers: 1
Mathematics, 21.06.2019 17:30
When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3
Answers: 1
Mathematics, 21.06.2019 20:00
How can you construct perpendicular lines and prove theorems about perpendicular lines
Answers: 3
A preliminary study conducted at a medical center in St. Louis has shown that treatment with
small...
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