Frequently Asked Questions (FAQ) and Answers

Simple Regression

1. How do you insert a text (non-calculating) formula
   or other mathematical statement in Excel?
2. How do you draw a regression line in SPSS?
3. How do you calculate point-biserial correlation in SPSS?

Multiple Regression

1. What are the condition indices included in collinearity diagnostics in SPSS? 
2. How do you put the text data (e.g., NATACE89.TXT) into SPSS?
3. Can SPSS conduct all-possible-regressions?