The value to be entered in the Baseline Proportion column for the two-sample proportion in "Sample Size/Power"
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[JMP 7 and below]
The baseline percentage in JMP is defined as the average of two percentages, p1 and p2, respectively. The baseline percentage in JMP is defined as (p1+p2)/2.
[JMP 8 and higher]
In JMP 8 and later, the format has been changed to directly input two proportions. Enter the null hypothesis proportions P1 and P2 in "Proportion 1" and "Proportion 2" respectively, and Δ0 in "Hypothesized Difference." If the null hypothesis is P1=P2, enter 0 in the hypothesized difference.
FAQ # 2113
This post originally written in Chinese (Simplified) and has been translated for your convenience. When you reply, it will also be translated back to Chinese (Simplified).
