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A researcher would like to test the effectiveness of using mnemonics to improve the memory of a sample of n = 36 Grade 9 students.
A researcher would like to test the effectiveness of using mnemonics to improve the memory of a sample of n = 36 Grade 9 students. Assume that the mean score on a standardized memory test of all the Grade 9 students in Jersey Secondary School last year is ยต = 78% with s = 10. The sample, after learning how to use the mnemonic for 10 weeks obtained a mean of M = 84%.
Conduct a hypothesis test, by calculating the z-score, at a = .05, for a two-tailed test.
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