A portion of a study by wechsler 1958 reports that for 100, Basic Statistics

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A portion of a study by wechsler 1958 reports that for 100

1. A portion of a study by Wechsler (1958) reports that for 100 males taking the Wechsler Adult Intelligence Scale (WAIS), the sample mean and variance on picture completion are X‾= 9.79 and s = 2.72. Test the hypothesis H₀:µ ≥ 10.5 with α = .025.

2. Assuming 20% trimming, test the hypothesis H₀:µt = 42 with α = .05 and n = 20 given the following values for X‾_t and s_w: (a) X‾_t = 44, s_w = 9, (b) X‾_t = 43, s_w = 9, (c) X‾_t = 43, s_w = 3.

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Basic Statistics: A portion of a study by wechsler 1958 reports that for 100

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Basic Statistics: A portion of a study by wechsler 1958 reports that for 100

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