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Answer:</h2>
Variance
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Step-by-step explanation:</h2>
The standard deviation is related to the variance. The standard deviation measures the variation or dispersion of a set of data and is represented by the Greek letter sigma , while the variance measures how far a set of numbers are spread out from their average value. The variance is obtained by squaring the standard deviation, so the variance can be found as
16x + 33y = 260, I think this is correct. Hope this helps!:)
Answer:
30cm
Step-by-step explanation:
5+5+12+8
The given expression is
And in the second factor, x is common. So on taking x out, we will get
We can expand it by distributing , that is
Combining like terms,
And that's the expanded form ., and the given expression can also be written in that way .