Week 11 Flashcards
1
Q
what is descriptive statistics
A
methods for simplyfiying and summurasing data
2
Q
what is inferential statistics
A
METHODS FOR USING SAMPLE DATA TO MAKE GENERAL CONCLUSIONS
3
Q
what is centeral tendancy, what are the types
A
measures the centre of a distribution.
mean, median, mode
4
Q
when is the mean not appropriate
A
for skewed data with a nominal scale
5
Q
what does it mean when veriability is small. how can this be measured
A
when all of the results are clustered together.
- range and standard deviation
