Is the graphed line straight or curved

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Reference no: EM13854522

Need help understanding graphing, slope and points.

Is the graphed line straight or curved. simple linear equation or multiple linear equation.

If the statistical T-value for the second regression coefficient is 9.80 is the coefficient valid at the 95% confidence level? why or why not

The equation of a line is the following: y = 2 + 0.28x₁ + 43.8x

What is the intercept of the line?
Is this equation a straight or curvilinear line, and why?
Is this the equation for a simple linear equation or a multiple linear equation?
What are the two regression coefficients?
If the statistical t-value for the second regression coefficient is 9.80, is the coefficient statistically valid at the 95% confidence level? Why or why not?

Reference no: EM13854522

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