Difference between revisions of "CI diff of mean"
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(Created page with "<math>{\bar{y}_2 - \bar{y}_1} \pm t \times {s_{\bar{y}_2-\bar{y}_1}}</math>, where <math>s_{\bar{y}_2-\bar{y}_1} = \sqrt{\frac{(n_1-1)s_1^2+(n_2-1)s_2^2}{n_1+n_2-1}}\sqrt{{\frac{...") |
m (moved Template:CI diff of mean to Equations:CI diff of mean) |
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Revision as of 18:41, 16 June 2011
<math>{\bar{y}_2 - \bar{y}_1} \pm t \times {s_{\bar{y}_2-\bar{y}_1}}</math>, where <math>s_{\bar{y}_2-\bar{y}_1} = \sqrt{\frac{(n_1-1)s_1^2+(n_2-1)s_2^2}{n_1+n_2-1}}\sqrt{{\frac{1}{n_1}}+{\frac{1}{n_2}}}</math>