Power Table for T-Tests

      This is from Howell, D. C. (2013). Statistical methods for psychology (8^th ed.). Belmont, CA: Cengage Wadsworth. ISBN-13: 978-1-111-83548-4, the best intermediate level stats book on the market, IMHO.  Read Chapter 8 in the book to learn now to use this table.

POWER -- An overview