Hello dear Henser,
You seem to be asking a homework question, which you will not get answers
for here.
In short, have a look at:
?read.table
For reading the data. And:
?mean
For the mean...
And go read through an introductory book on R.
There is a long list here:
http://www.r-project.org/doc/bib
My problem is very easy, but it took me hours without a solution.
So, I have to take any data set from UCI repository website for example this
one which is about consensus income:
http://archive.ics.uci.edu/ml/datasets/Census+Income
And here is the data folder:
http://archive.ics.uci.edu/ml/mac
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