Ridgman W. Experimentation in Biology. An Intr...Design and Analysis 1975

Textbook in PDF format

A classical cource of statistics and biometrics.
Experimental method
Statistical Analysis
Testing and setting confidence limits
Experiments with more two treatments
Use of orthogonat polynomials, interactions and regression.
Error variation and its control
Confounding
Lattice design and non-orthogonal analysis
Analysis of covariance