• Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint
Share this Page URL
Help

Chapter 12. Working with Statistical Fun... > Determining the Correlation Between ...

Determining the Correlation Between Data

Correlation is a measure of the relationship between two or more sets of data. For example, if you have monthly figures for advertising expenses and sales, you might wonder whether they're related. That is, do higher advertising expenses lead to more sales?

To determine this, you need to calculate the correlation coefficient. The coefficient is a number between –1 and 1 that has the following properties:


PREVIEW

                                                                          

Not a subscriber?

Start A Free Trial


  
  • Creative Edge
  • Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint