Confidence Interval for Difference of Means (t) Unequal variances

Confidence Interval Calculator for Difference between means
  Sample 1 Sample 2
Sample Mean
Sample Size
Standard Deviation
Confidence Level ($1-\alpha$)
Standard Error of Diff. of Means:
Degrees of Freedom:
t-critical value: ($t_{\alpha/2,df}$)
Margin of Error: ($E$)
Lower Confidence Limits:
Upper Confidence Limits:

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