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mel-nik [20]
3 years ago
11

7.

Mathematics
1 answer:
patriot [66]3 years ago
5 0

Answer:

C

Step-by-step explanation:

Square root of 92 is 9.591663047

so round that to 9.59

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Answer:

I will show the way.

Step-by-step explanation:

r is the correlation coefficient

r=\frac{SSxy}{\sqrt{(SSxx)(SSyy)}}

To find SSxy

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To find SSxx

SSxy= ∑x^{2}- (∑x)^{2}/n

To find SSyy

SSxy= ∑y^{2}- (∑y)^{2}/n

if your r is near +1, it shows strong positive correlation. Y is proportional to X.

And if it nears -1, it would show strong negative correlation. Y is inversely proportional to X.

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3 years ago
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Andreas93 [3]
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work:

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Troyanec [42]

Answer:

\left(\displaystyle \sqrt[3]{x^{-\tfrac 35}}\right)^{\tfrac 58}

Step-by-step explanation:

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