Confidence intervals for the difference of two means

We can build a confidence interval to estimate the difference between two population means. For example, a food scientist might want to estimate the difference in the average sizes of two varieties of the same fruit.

Conditions for inference for difference of means

Conditions for inference on two means

Constructing t interval for difference of means

Calculating confidence interval for difference of means

Two-sample t interval for the difference of means (calculator-active)