Essay
Science Quiz Scores Consider the hypotheses H 0: s 2 = 20 vs. H 1: s 2 > 20. Assume that Science scores on a 25-point quiz for a random sample of 5 students were drawn from a normal population. These were: 18, 16, 10, 13, and 23. {Science Quiz Scores Narrative} Estimate the population variance with 90% confidence.
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