What does x and y equal

Mathematics

1 answer:

Likurg_2 [28]3 years ago

3 0

Answer: x==y

Step-by-step explanation:

"X is equal to Y", prefaced with e.g. "if" or "when" would be unambiguously used to indicate a check for equality, as in "x == y".

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Answer:b 1/2

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What would be the dimensions of the poster at fraction 1 over 4 times its current size?

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1000 test scores are approximately normally distributed with a mean of 60 and a standard deviation of 8, if a grade of B is assi

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The number of newly reported crime cases in a county in New York State is shown in

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Answer:

The linear regression equation that represents the set of data is:

$y=1083.48+23.73x$

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Step-by-step explanation:

The general form of a linear regression is:

$y=a+bx$

Here,

y = dependent variable

x = independent variable

a = intercept

b = slope

Compute the values of a and b as follows:

$\begin{aligned} a &= \frac{\sum{Y} \cdot \sum{X^2} - \sum{X} \cdot \sum{XY} }{n \cdot \sum{X^2} - \left(\sum{X}\right)^2} = \frac{ 6857 \cdot 55 - 15 \cdot 17558}{ 6 \cdot 55 - 15^2} \approx 1083.476 \\ \\b &= \frac{ n \cdot \sum{XY} - \sum{X} \cdot \sum{Y}}{n \cdot \sum{X^2} - \left(\sum{X}\right)^2} = \frac{ 6 \cdot 17558 - 15 \cdot 6857 }{ 6 \cdot 55 - \left( 15 \right)^2} \approx 23.743\end{aligned}$