IBM SPSS Statistics 21 is a statistical software platform that provides data management, statistical analysis, and data visualization capabilities. It's widely used in various fields, including social sciences, healthcare, and business.
You're looking for information on IBM SPSS Statistics version 21, specifically for both 32-bit and 64-bit architectures, and possibly including Amos. Here's what I found: ibm spss statistics v21 x32bit x64bit and amos exclusive
The "exclusive" part might refer to the fact that Amos is not included with the standard SPSS Statistics 21 license. Amos is an additional module that requires a separate license or a specific bundle (e.g., the "SPSS Statistics with Amos" bundle). IBM SPSS Statistics 21 is a statistical software