Quantitative variables take the form of numerical figures. Qualitative variables describe data by placing them into broad categories. For example, the number of units that your business sells over a ...

Sometimes you need to scan some files for a piece of data like a string, phrase or some number, and one of those files just happens to be an Excel spreadsheet. You could open up the file, launch the ...

is usually expressed as opinions includes descriptive information is gained using open-ended questions, eg ‘What do you like about the product and why?’ It provides a business with detailed ...