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Mathematics, 07.11.2019 01:31 nalanisancruzado
On an examination given to students at a large number of different schools, the mean grade was 74.5 and thestandard deviation was 8.0. at one particular school where 200 students took the examination, the mean gradewas 75.9. discuss the significance of this result at a 0.05 level from the viewpoint of (a) a one-tailed test, (b) atwo-tailed test, explaining carefully your conclusions on the basis of these tests
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On an examination given to students at a large number of different schools, the mean grade was 74.5...
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