A researcher investigates how many parents versus non-parents get less than or at least 8 hours of sleep per night and finds the following results:

Less than 8 hours At least 8 hours

Parent 16 19

non parent 12 19

1. Hypotheses
2. Critical values
3. Final Chi-Square answer
4. Conclusion about the null hypothesis
5. A summary of the conclusions that can be made from this study