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, Applied Statistics Exam Prep: Key Topics & Tips
1. What is the center of distribution? - represents the typical value
- half of the observations has smaller
values & the other half w/ larger values
2. What does left skewed look like?
3. What does right skewed look like?
4. What is variability or spread of
giving the smallest & largest values, we
distribu- tion?
can wish to leave ott outliers
5. What are histograms good for? to show how data distributed
6. What does a stemplot look like turned? a histogram
7. What is the mean or average? a set of numbers divided by the amount
of
values there are.
8. Whats the different between sample mean - x w/ a dash over it
sample & population mean?what population mean - weird u
do they look like
9. What is the median? It is the value that is in the middle of a
set of date in order, where half of the
observation is on one side & other half
on the other
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