# Test the null hypothesis that the means from two populations are equal in the following case. 1

## Question:

1 = 20.0, 2 = 21.0, n1 = 25, n2 = 50, σ21 = 25.0, σ22 = 25.0.

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**Related Book For**

## Modeling the Dynamics of Life Calculus and Probability for Life Scientists

**ISBN:** 978-0840064189

3rd edition

**Authors:** Frederick R. Adler