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HLTH 501 W EEK 3 P ROBLEMS —30 POINTS 10 points per problem. Put answers in the table: 1. RD-0.192 RR=2.095, OR= 2.7332 C 2. DF= 3 Alpha=0.05 Reject Ho ---7.81 New Compound===25.5, 41, 33, 25.5, Placebo========= 25.5, 41, 33, 25.5 X2=28.34 C 3. Reject H 0 if Z < _1.96 or if Z > 1.96 Alpha- 0.05 =_0.270, = _0.367, = 0.175, Z =3.3409______ D—A and B 1. A clinical trial is conducted comparing a new pain medication for arthritis. Participants are randomly assigned to receive the new medication or a placebo. The outcome is pain relief within 30 minutes. The data are shown below. Pain Relief No Pain Relief New Medication 44 76 Placebo 21 99 Estimate the risk difference in pain relief between treatments = 0.192 Page 1 of 4
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HLTH 501 Estimate the relative risk in pain relief between treatments = 2.095 Estimate the odds ratio in pain relief between treatments = 2.7332 The upper and lower limits of the are shown below Lower Limit of CI: ____0.41 ____ Upper Limit of CI: ___1.61 _____ Based on the Confidence Interval values which of the following are true? A. One can be 95% confident that the true value will be greater than the upper limit.
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  • Fall '10
  • CarlyTanner
  • Statistics, Statistical significance, Limit superior and limit inferior, pain relief

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