How to save a Word 2007 document as a PDF

Microsoft Office Word 2007 now allows you to save a document as PDF. All you have to do is choose to save it as a PDF in File Type in the Save or Save as dialogue box. If you don’t see it in the File Type dropdown list you may have to get the update…More

Statistical terms – measurement

Generally, there are four data types in statistics: nominal, ordinal, interval and ratio. Nominal data as the name suggests is characterize data by name. For example, the categorization of someone as male or female is nominal data. There is no order or rank between nominal data or only difference. Ordinal data is data which can…More