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Variance and standard deviation
I have the following math test results:
32 37 50 59 66 67 69 75 80 81 88 90 92 98 How do I find the standard deviation and the variance If you have a mean of 78, mode of 84, Median of 80 and standard deviation of 11, how do you find the varaince. |
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The variance is just the standard deviation squared - so in this case, if the standard deviation is 11, the variance is 11^2 or 121.
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