Excel: date problem

hello I d like to ask you if you could help me find a solution. I have two columns one called "date of order" and another "value of order" .The rows in These 2 columns are not always filled. Only when there is an order there is a date too. Now I want to find how many days on average it takes me until I have a new order. What is the date difference between each order and then the average (in days). How can I find it?Thanks

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This thread is current as of May 03, 2014.

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