Question & Answer: If the following information is given in an excel printout, what is the regression…..

If the following information is given in an excel printout, what is the regression equation Xvariable .856 Intercept 10 y-10*.856 O y = .856(x) + 10 0 y = .856(x)10 none of these are correct

If the following information is given in an excel printout, what is the regression equation Xvariable = .856 Intercept = 10 y= 10*.856 y=.856(x) + 10 y=.856(x)10 none of these are correct

Expert Answer

A Regression line shows the relation between two variables x and y. When different values of x and y are plotted in a graph against x and y axis, a regression line is the line which best fits the given data to show a correct correlation between x and y axis variables.

It follows the formula of y = mx + c .

m- slope of the regression line on the graph( where x and y meet which is here taken as 0.856)

x- data value of variable 1

c- intercept (data value of y when x is 0)

y- data value of variable 2

So, when x is 0, the value of intercept given is 10 which means y = m*0 +10 =10

Thus the regression line equation would be option 2 : y = 0.856x +10

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