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what is the equation of the regression line for the given data(Age, Number of Accidents) (16, 6605), (17, 8932), (18, 8506), (19, 7349), (20, 6458), (21, 5974)

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โˆ™ 2012-11-19 07:22:23
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: How do you calculate regression equation?
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What is the adjective of the word regression?

of, pertaining to, or determined by regression analysis: regression curve; regression equation.

What is the only condition under which (x y) regression equation solved for x gives the same predictions as the (y x) regression equation?

If the regression is a perfect fit.

A trend equation is a regression equation in which?

the independent variable is time

What is regression coefficient and correlation coefficient?

The strength of the linear relationship between the two variables in the regression equation is the correlation coefficient, r, and is always a value between -1 and 1, inclusive. The regression coefficient is the slope of the line of the regression equation.

What does a regression equation look like?

It can look like any algebraic equation.

Given a linear regression equation of equals 20 - 1.5x where will the point 3 15.5 fall with respect to the regression line?

on the lineGiven a linear regression equation of = 20 - 1.5x, where will the point (3, 15) fall with respect to the regression line?Below the line

Is there any relation between regression and linear equation?


Explain the concept of correlation and regression line as a forecasting tool?

once an equation for a regression is derived it can be used to predict possible future

Is the random error in a regression equation the predicted error?

pig benis

The random error in a regression equation?

includes both positive and negative terms.

The value 11.7 represents the of the graph of the following linear regression equation?


Is the regression equation a mathematical equation that defines the relationship between two variables?

No. It is an estimated equation that defines the best linear relationship between two variables (or their transforms). If the two variables, x and y were the coordinates of a circle, for example, any method for calculating the regression equation would fail hopelessly.

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