Hello there, today you gave us the problem ,
Our first step is to give them common denominators, which is , solve it and we get
as our answer, which can be simplified down to
Find X and Y and show please show calculations
1 answer:
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1. Mean.
2. <span>Standard deviation.
First we have to square each value and calculate the mean of that squares:
so the variance:
and the standard deviation:
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2. <span>Standard deviation.
First we have to square each value and calculate the mean of that squares:
so the variance:
and the standard deviation:
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