A researcher hypothesizes that hours spent studying will positively relate to happiness. Happiness is rated on a 1-5 scale. Which test BEST fits for this study? Group of answer choices correlation with a one-tailed test of significance correlation with a two-tailed test of significance independent samples t-test with a one-tailed test of significance independent samples t-test with a two-tailed test of significance ANOVA RegressionA researcher hypothesizes that students will be less stressed after spring break compared to before. Stress is rated on a 1-5 scale. Which test BEST fits for this study? Group of answer choices correlation with a one-tailed test of significance correlation with a two-tailed test of significance independent samples t-test one-tailed test of significance independent samples t-test two-tailed test of significance dependent samples t-test one-tailed test of significance dependent samples t-test two-tailed test of significance ANOVA