Test of (µ 1 – µ 2 ), 1 = 2, Populations Normal Test Statistic and df = n 1 + n 2 – 2 2– 21 2 2 )1– 2 ( 2 1 )1– 1 ( 2 where 2 1 1 1 2 0 ] 2 – 1 [–
![Test of (µ 1 – µ 2 ), 1 = 2, Populations Normal Test Statistic and df = n 1 + n 2 – 2 2– 21 2 2 )1– 2 ( 2 1 )1– 1 ( 2 where 2 1 1 1 2 0 ] 2 – 1 [–](https://static.fdocuments.in/doc/330x215/551c0384550346a84f8b4d4a/test-of-1-2-1-2-populations-normal-test-statistic-and-df-n-1-n-2-2-2-21-2-2-1-2-2-1-1-1-2-where-2-1-1-1-2-0-2-1-.jpg)
