Hi I have read the definition between the two but still can not pin point which is which, can you please help? Thank you.

ProblemSet 8.2:Parametric Tests

Criterion:Identify parametric tests.

Instructions:Based on the scale of measurement for the data, identifywhethera test is parametric or nonparametric.

1. A researcher measures the proportion of schizophrenic patients born in each season.___________________________________
2. A researcher measures the average age that schizophrenia is diagnosed among male and female patients.___________________________________
3. A researcher tests whether frequency of Internet use and social interaction are independent.___________________________________
4. A researcher measures the amount of time (in seconds) that a group of teenagers uses the Internet for school-related and non-school-related purposes.______________________