Question for the survey data.
- Provide sample Pearson correlation coefficient for "intimacy" and "commit".
- Obtain  90% confidence interval of the population  Pearson  correlation  coefficient.
- Test  the null hypothesis,  H0 :       ρ = 0, H1 : ρ > 0        under the desired significance level
Question for the salary data.
- Estimate          in the case that  the  response is "salary" and the predictor is  "years".
- Obtain ANOVA table.
- Obtain 90% confidence interval of    .
- Test  the null hypothesis,  H0: β1 = 0        H1 :         β1 ≠ 0 under the desired significance level
Question for the hypothetical data.
- Obtain grand mean and unadjusted means for the ANCOVA model where covariate, "xc", Treatment, "a", response, "y" are considered.
- Calculate adjusted means given the estimates below.
