Assignment 7: Non-parametric tests for ordinal variables
1. Using this data calculate a Wald-Wolfowitz using the Table E. Draw a conclusion about the relationship between IQ and sex.
IQ M/F
100 M
125 F
113 M
87 F
69 M
145 F
123 M
100 F
101 M
97 F
89 M
99 F
111 M
104 M
164 M
Now re-calculate it using the sampling distribution. Do you draw the same conclusion?
2. Using Stata do problem 14.4 in the A & D book
3. Using Stata do problem 14.8 in the A & D book
4. Redo 14.8 using the Kolmogorov-Smirnov test.