Mode and Standard Deviation
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For a hypothetical normal distribution of test scores, approximately 95% fall between 38 and 62, 2.5% are below 38, and 2.55 are above 62. Given this information, (a) the mode=____ and (b) the standard deviation=_______.
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This is a possible solution to frequency distribution of grades in a classroom.
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Normal distribution of test scores the mode = 52 the standard deviation= 2.2
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