Inferences based on the normal distribution/drawing inferences about mu.

7.4.18. Recall Case Study 5.3.1. Assess the credibility of the theory that Etruscans were native Italians by testing an appropriate Ho against a two-sided H1. Set a equal to 0.05. Use 143.8 mm and 6.0 mm for y and s, respec- tively, and let po = 132.4. Do these data appear to satisfy the distribution assumption made by the t test? Explain