From a population of 500 students, the grades for 20 students on a midterm are given in the table below. 84 | 89 | 58 | 98 | 63 79 | 55 | 94 | 78 | 75 78 | 97 | 94 | 96 | 60 92 | 95 | 73 | 92 | 59 Find the mean score and standard deviation. If necessary, round your answer to 2 decimal places. Mean = Standard Deviation =
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This is 84 + 89 + 58 + 98 + 63 + 79 + 55 + 94 + 78 + 75 + 78 + 97 + 94 + 96 + 60 + 92 + 95 + 73 + 92 + 59 = 1,527. Show more…
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