Explore BrainMass
Share

Correlation, Causation, Independent Variables, Least Squares

This content was STOLEN from BrainMass.com - View the original, and get the solution, here!

DQ1:

a) Does correlation equal causation? Does the strength of correlation depend on the direction? What is the meaning of a zero correlation? Explain your answers.

DQ2:

a) What is the difference between an independent and a dependent variable? What is a bivariate or simple regression model? Does a regression model imply causation? Why or why not?

b) Explain the logic of the ordinary least Square (OLS) method? How are the least squares formulas for the slope and intercept derived?

© BrainMass Inc. brainmass.com September 21, 2018, 3:32 pm ad1c9bdddf - https://brainmass.com/statistics/regression-analysis/277310

Solution Summary

A Complete, Neat and Step-by-step Solution is provided in the attached file.

$2.19