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Keith_Richards [23]
2 years ago
13

The correlation in error terms that arises when the error terms at successive points in time are related is termed _____. a. aut

ocorrelation b. leverage c. multicorrelation d. parallel correlation
Mathematics
1 answer:
diamong [38]2 years ago
8 0

The correlation in error terms that arises when the error terms at successive points in time are related is termed <u>autocorrelation </u>

The correct answer is an option (a).

Correlation is the mutual connection between two or more variables. These variables can be dependent or independent but there should be random variables.

Autocorrelation is the degree of correlation between the values of the same variables across different data.

Instead of correlation between two different variables, the correlation is between two values of the same variable at times i and i + k.

It is used for the following two purposes:

- To detect non-randomness in data.

- To identify an appropriate time series model if the data are not random.

Therefore, The correlation in error terms that arises when the error terms at successive points in time are related is termed <u>autocorrelation </u>

The correct answer is an option (a).

Learn more about autocorrelation here:

brainly.com/question/14134127

#SPJ4

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C.

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You are looking for an equation that, when you input 0 for x, you get 4 for y, and when you input -5 for x, you get -1 for y.

That only works for Option C.

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3 years ago
Graph the following equation using X- and y-intercepts.<br> x + y = -3
Kitty [74]

Answer:

x-intercept: (-3,0)

y-intercept: (0,-3)

Step-by-step explanation:

Looking at the equation, we can see that it is already in standard form, or in a Ax+By=C format. Whenever a line is put into standard form, the x-intercepts are represented by (\frac{C}{A},0) and the y-intercepts are represented by (0, \frac{C}{B} ). So, let's calculate them by doing the following:

1) Find the x-intercept by using the (\frac{C}{A},0) formula. Substitute the number on the right side of the equation for C and the coefficient for the x term for A. So, in this case, C = -3 and A = 1:

(\frac{C}{A},0)\\\\(\frac{-3}{1},0)  \\(-3,0)

Therefore, the x-intercept is (-3,0).

2) Next, find the y-intercept by using the (0,\frac{C}{B} ) formula and substituting the right values. C is still the number on the right side of the equation and B is the coefficient of the y term. So, C = -3 and B = 1.

(0,\frac{C}{B})\\ (0, \frac{-3}{1})\\(0, -3)

Therefore, (0, -3) is the y-intercept.

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