Statistics problem, need help with answer and how to solve
shinex31Two physicians examined results of 50 randomized, double-blind, placebo-controlled trial examining whether patients with chronic fatigue syndrome (CFS) improved 6 weeks after treatment with intramuscular magnesium. The group who received the magnesium were compared to a group who received a placebo and outcome was feeling better. Physician A believed 15 patients received magnesium as opposed to placebo. Physician B believed 20 patients received magensium as opposed to placebo. They both agreed on 9 patient cases having received magnesium as opposed to placebo. What is the Chi square result? | |||
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|
| |
Treatment |
| Outcome |
|
| Physician B - Magnesium | Physician B - Placebo | Total |
Physician A - Magnesium | 9 | ? | 15 |
Physician A - Placebo | ? | ? | ? |
Total | 20 | ? | 50 |
9 years ago
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