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Mathematics, 22.07.2019 07:40 asalimanoucha2v

Find (a) the mean, (b) the standard deviation on an examination in which grades of 70 and 88 correspond to standard scores of 0.6 and 1.4, respectively.

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Find (a) the mean, (b) the standard deviation on an examination in which grades of 70 and 88 corresp...
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