\
The numbers are
The mean is the sum of the items divided by the number of data items.
Mean
(Add:)
(Divide:)
The mean is.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c08e4a24d4686071a026a76f97078782.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=de5af36918b5f035daee80280cba8971.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3f299b5f1e6d980f477ba09c3070ae15.png\")
(Add:![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=685e2e19e35bc312fdd43eb858e19a3b.png\")
)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0447b645ddfbc103bcb9df907ec6f22f.png\")
(Divide:![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=caacaa76b5d369aa3626ce760aea4977.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ef04c0de6dc2b67e84ab3159c34388bf.png\")
.