| Hand Calculations The objective of hand calculations is to introduce the basic underlying
mathematics and concepts of an analytical technique. Unless instructed otherwise, round
all calculations to three decimal places. You should also note that you can check your
calculations with SumStats. There will be some variations since SumStats does not round to
three decimal places (SumStats is more accurate).
Using AcaStat
The objective of SumStats problems is to show you
how to conduct statistical comparisons when the raw data are not available. This is often
the case if you only have summary statistics from a report produced by someone else.
SumStats simply automates the hand calculations covered in the Workbook. The objective of
AcaStat spreadsheet problems is to connect hand calculations using summary statistics to
the more common practice of analyzing raw data with statistical software. If you do not
have AcaStat, these exercises can be used with other statistical software to include SAS,
SPSS, STATA, etc. The Workbook Appendix includes instructions for SPSS.
Workbook
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