3 years ago

Solve the formula S=n/2(a+L) for L

Mathematics

1 answer:

Maru [420]3 years ago

4 0

$\frac{n}{2(a+l)}$

$\frac{S}{N} = 2(A+L)$

$\frac{S}{2N} = A+L$

$L= \frac{S}{2N} - A$

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Answer: Choice B) negative linear association

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Reasoning:

The points all go downhill as you move from left to right. We can draw a straight line that is fairly close to all of them. This is known as the regression line. The regression line having a negative slope tells us the linear association is negative. This means the correlation coefficient r is negative, so, $-1 < r < 0$ (r = -1 is not possible as not all points fall on the same straight line)