The resources have all been tested to run in Excel 2003. The password to unprotect sheets is: statistics and is a case sensitive password.

The “new question” button uses macros and so Macro Security needs to be set to medium or low: to do this open Excel, go to Tools, Macro, Security and set it accordingly. Then close Excel and open the file you want to run.

If you have set the security to Medium you will be given an option to disable or enable macros. Choose 'enable' and it should work fine.

If you see #### symbols or #value instead of numbers in any of the boxes, you need to add-in the Analysis tool pack. Go to Tools, Add-ins…, tick the Analysis ToolPak.

Click the new question button or close the file and re-open.

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