: If you need a powerful statistical tool for free, consider these open-source options:
: IBM offers a 30-day free trial of the most current version of SPSS Statistics, which is significantly more advanced and secure than version 16.
: If you are a student or teacher, you can often purchase SPSS Statistics GradPack at a massive discount through authorized vendors like OnTheHub or your university's IT department.
: For those comfortable with coding, these are the industry standards for data science and statistics.