Sex differences in relation patterns between health-related quality of life of older adults and its correlates: a population-based cross-sectional study in Madeira, Portugal: Cite this article: Gouveia BR, Ihle A, Kliegel M, Freitas DL, Gouveia R. (2018) Sex differences in relation patterns between health-related quality of life of older adults and its correlates: a population-based cross-sectional study in Madeira, Portugal. Primary Health Care Research & Development page 1 of 5. doi: 10.1017/S1463423618000233

one-paragraph summary of the study and explain why the methodology used was a t-test.

1. Identify the null hypothesis and alternative hypotheses.
2. Address the type of data required and name three assumptions of the data that were met.
3. Discuss whether the finding in the study is statistically significant, in reference to the alpha-level and p-value.