New to confidence intervals? Here are some important
things to keep in mind!
are used to estimate population parameters (commonly the
process mean, standard deviation, % of defective units, or
even capability indices).
provide more meaningful information than any random sample
statistic for characterizing the
MINI-TIP:See “Tip 1: Every sample statistic
is a little...Continue Reading
Most people are familiar with the concept of statistics based on
exposure to every-day information, such as people polls, election
results, weather or sports stats, commercial product comparisons,
etc. Someone collects a set of data, does some number-crunching,
and produces for us some interesting statistics. These sorts of
sample statistics are called
Descriptive... Continue Reading
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