Page 260 - Statistics for Dummies

In this part . . .
any statistics you hear and see each day are based
Mon the results of surveys, experiments, and obser-
vational studies. Unfortunately, you can’t believe every-
thing you read or hear.
In this part, you look at what actually happens behind the
scenes of these studies — how they are designed and con-
ducted and how the data is (supposed to be) collected —
so that you’ll be able to spot misleading results. You also
see what’s needed to conduct your own study correctly
and effectively.

You also analyze data from good studies to look for rela-
tionships between two variables, where both variables are
categorical (using two-way tables) or both are numerical
(using correlation and regression). In addition, you see
how to make proper conclusions and spot problems.

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