What is the principal difference between inferential and descriptive statistics:

1> Inferential statistics are based on quantitative date whilst descriptive statistics are based on qualitative

2> Inferential statistics allow the researcher to draw inferences from the date, whilst descriptive statistics simply describe the data

3>Inferential statistics are used for experiments and descriptive statistics are used for correlational studies

4> Descriptive statistics can be sued with nominal date but inferential statistics require interval date