Timeline for Understanding the formula for the Confidence Interval of the difference between two sample proportions
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Jul 25, 2016 at 3:27 | comment | added | Glen_b | 1. You're not "subtracting one sampling distribution from another". You're looking at the sampling distribution of the difference of two sample proportions. 2. By basic properties of variance, the variances of the sample proportions will add, but you want the standard error, so you take the square root of the sum. | |
| Jul 24, 2016 at 22:13 | vote | accept | jeremy radcliff | ||
| Jul 24, 2016 at 21:01 | answer | added | Pere | timeline score: 3 | |
| Jul 24, 2016 at 20:58 | answer | added | Greenparker | timeline score: 5 | |
| Jul 24, 2016 at 19:50 | history | edited | jeremy radcliff | CC BY-SA 3.0 |
added 238 characters in body
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| Jul 24, 2016 at 19:31 | history | asked | jeremy radcliff | CC BY-SA 3.0 |