Question: Activity - Inferential Statistics (Parametric and Non-Parametric Test) A. PROBLEM SOLVING 1. The life of an electric bulb (hours) is of interest. Ten bulbs are

Activity - Inferential Statistics (Parametric and Non-Parametric Test) A. PROBLEM SOLVING

Activity - Inferential Statistics (Parametric and Non-Parametric Test) A. PROBLEM SOLVING 1. The life of an electric bulb (hours) is of interest. Ten bulbs are selected randomly and tested, and the following results are obtained. 850, 900, 690, 800, 950, 700, 890, 670, 800, 880 a. Test the hypothesis that the mean life of bulbs exceeds 850 hours. Use alpha = 0.05. b. Construct a 99% confidence interval on the mean life of bulbs

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