\
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=d6d19e12f5cdd40c738980951dcf3688.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ba0714014aebe703ba3e95ad972571ae.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=980b9f2c77906ddc14d87a37095d7ad5.png\")
(Add: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d4a1d2c391a23b730a14cf81e575e6a0.png\")
)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=56f09b56c4599504f88f4b4c566252ce.png\")
(Divide: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=99246fb51b642f81758a2cc4e1ee4688.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=17d77df29c20f340aa48895c16258c6e.png\")
.