6. Gravetter/Wallmau/Forzano, Essentials . Chapter 2 . End of chapter question > Use the Distributions tool to find the : values that form the boundaries of the critical region for each of the following simple sees. (Use three decimal places.) O 3.6 n - 6: Two called test with a - .05, c = * One-tailed test with a = .OS, t - Two-called test with o - Di.