Question: The table summarizes results of a crossover study to compare results of low-dose and high-dose analgesics for relief of menstrual bleeding (B. Jones and M.

The table summarizes results of a crossover study to compare results of low-dose and high-dose analgesics for relief of menstrual bleeding (B. Jones and M. Kenward, Statistics in Medicine, vol. 6, 1987, pp. 555€“564).
a. Find the sample proportion of successes for each dose of the analgesic.
b. Find the P-value for testing that the probability of success is the same with each dose, for a two-sided alternative. Interpret. What assumptions does this inference make?

High Dose Failure Low Dose Success Failure Success 53 16

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