new data set

the data set that contains the average of each variable for each
activity and each subject.
Revert "new data set"

This reverts commit 6a6ad1fb0e92556b3717eaf4840d321bd0857632.
Revert "Revert "new data set""

This reverts commit d9e774d2eef768d7445487023c9aa13b3aae6f8d.
Revert "new data set"

This reverts commit 6a6ad1fb0e92556b3717eaf4840d321bd0857632.