M=3/8,, y-intercept (0, 7)
1 answer:
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Answer:
Option a) u is called the "error term". It is the error we make in prediction
Option d) x is called the independent variable because x is independent from y and u.
Step-by-step explanation:
We are given the following information in the question:
where y is the dependent variable, x is the independent variable.
: It is the value of y when x is zero, that is y-intercept.
: It is the coefficient of x in predicting the dependent variable y.
u is the error term.
- An error term represents the margin of error.
- It refers to the sum of the deviations within the regression line, that is the difference between the predicted value and the observed value of y.
Thus, Option A) u is the error term and Option D) x is called the independent variable because x is independent from y and u are the correct answer.
The solution to the system of equations is (3,1)
Step-by-step explanation:
The system of equations represented by graph are:
Solving the system of equations
Let:
Putting value of y from eq(2) into eq(1):
So, Value of x = 3
Putting value of x into eq(2)
So, value of y= 1
So, The solution to the system of equations is (3,1)
Keywords: System of equations
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