Question: Find the standardized test statistic t for a sample with n = 12, x-bar = 15.7, and s = 2.1. Assume that we will use

  1. Find the standardized test statistic t for a sample with n = 12, x-bar = 15.7, and s = 2.1. Assume that we will use a significance level of a = .01, and the alternative hypothesis is Ha: 16.2.

a. -0.825

b. -0.008

c. -0.381

d. -0.037

  1. Find the standardized test statistic t for a sample with n = 20, x-bar= 13, and s = 2.0.

Assume that the significance level is = .05 and the alternative hypothesis is Ha: < 13.4.

a. -1.265

b. -0.872

c. -0.894

d. -1.233

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