1. Define the term linear regression. 2. How to perform linear regression in SPSS? 3. What is the equivalent to R 2 in simple linear regression?

1.     Define the term linear regression.

2.     How to perform linear regression in SPSS?

3.     What is the equivalent to R2 in simple linear regression?

4.     Provide an example where the outlier is more important to the research than the other observations?

5.     When R2  is more useful than R in linear regression?

please with references .