What is a suitable statistical software for large data sets?

What is a suitable statistical software for open source?

What is a statisctical software that is graphically oriented?

Three important points about the preperation for data analysis are...

What is "coding"?

How do we call answers (e.g. in surveys) that are not processable?

What are values to describe the central point of data?

What are values to describe the spread around the central point?

Formula for the standard error

Formula for covariance

Formula for Pearson's correlation coefficient

How do you call a score that is obviously deviant from the remainder of the data set?

Why do we use data reduction?

What are two data reduction techniques?

What is "factor analysis"?

There are two different types of factor analysis, which are ...

The three steps of exploratory factor analysis are...

How many factors do we obtain?
There are three rules of thumb to tell...

What to do with the results of a factor analysis?

Whats the formula for Cronbach's alpha?

What is the goal of the cluster analysis?

What clustering algorithms exist?