# Case Study " Regression Equation "

**Question description**

Using the equation ( With Numbers ) ,Provide a simple example by substituting in the equation ( once ) and then explain the effect on demand of a particular product ( Cars or Mobile Phone )

No Need for long, details calculations. just a simple definition for each variable and it's effect ( only 1 Page )

Regression equation: linear, additive

eg: Y = a + b1X1 + b2X2 + b3X3 + b4X4

Y: dependent variable

a: constant value, y-intercept

Xn: independent variables, used to explain Y

bn: regression coefficients (measure impact of independent variables)

## Tutor Answer

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors