Mathematics, 18.07.2019 10:40 Kennethabrown09
The national assessment of educational progress (naep) gave a test of basic arithmetic and the ability to apply it in everyday life to a sample of 840 men 21 to 25 years of age. scores range from 0 to 500; for example, someone with a score of 325 can determine the price of a meal from a menu. the mean score for these 840 young men was x¯¯¯x¯ = 272. we want to estimate the mean score μμ in the population of all young men. consider the naep sample as an srs from a normal population with standard deviation σσ = 60.
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