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Mathematics, 12.12.2019 05:31 izzyisawesome5232

The results from a mid term exam goes as follows: 77,45,72,56,98,60,70,89,50,80,95,70 ,34,77,65,70,70,82,86,86. the mean i calculated was 71.6 and a standard deviation of 16.15. what percentage of the scores are within 1 standard deviation from the mean. what percentage of scores are within 2 standard deviations of the mean.

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The results from a mid term exam goes as follows: 77,45,72,56,98,60,70,89,50,80,95,70 ,34,77,65,70,...

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