Is this correct, i am not sure if i am right, please help.

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. ____Parametric_______________
2. A researcher measures the average age that schizophrenia is diagnosed among male and female patients. ________Parametric_________________
3. A researcher tests whether frequency of Internet use and social interaction are independent. _______Parametric____________________
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.___________________________________