Stats Flashcards
1
Q
What are the measures of enteral tendency?
A
Mean
Median
Mode
2
Q
What are the measures of dispersion?
A
Range
Interquartile range
Standard deviation
3
Q
Measures of concentration?
A
Gini co-efficient
Lorenz Curve
4
Q
Measure of correlation?
A
Spearmans rank
5
Q
Testing for differences between data sets?
A
T test
Chi squared
6
Q
What does the t test do?
A
Compares means of 2 data sets to see if there’s a significant difference
7
Q
What does spearmans rank do?
A
Shows how strong a relationship there is between 2 data sets
If the value is less than critical then accept null hypothesis
8
Q
What does chi squared do?
A
Compares observed and expected data
Data needs to be in categories
Must be over 20 for OD
