Mathematics, 25.11.2021 14:00 betru12315
Adimas found the mean of her 11 math test scores for the first semester. X = StartFraction (76 87 65 88 67 84 77 82 91 85 90) Over 11 EndFraction = StartFraction 892 Over 11 EndFraction ≠81 Using 81 as the mean, find the variance of her grades rounded to the nearest hundredth. Σ2 = Find the standard deviation of her grades rounded to the nearest hundredth. Σ =.
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Adimas found the mean of her 11 math test scores for the first semester. X = StartFraction (76 87 65...
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