If we are testing for the difference between two population means and assume that the two populations have equal and unknown standard deviations,the standard deviations are pooled to compute the best estimated variance.

Question

Quizplus · Accepted Answer

The Answer of If we are testing for the difference between two population means and assume that the two populations have equal and unknown standard deviations,the standard deviations are pooled to compute the best estimated variance.

If We Are Testing for the Difference Between Two Population