Bonferroni Comparisons: What You Need to Know

Question 1 

The pairs of groups which were significantly different from each other based on Bonferroni comparisons after a one-way ANOVA of Skills related to nursing process are; 

All of the above (the significance of the pairs is all below the alpha level,  ). 

Question 2 

The resulting p-value is 0.0232 

Question 3 

Excel file attached 

Question 4 

The predictor variables that were statistically significantly associated with increased total health care costs, excluding Rx costs, in year 2 (on the natural log scale) are: 

Charlson comorbidity index 

MPR for OADs, year 1 

Health care costs, year 1, excluding Rx costs 

Question 5 

The estimated change in predicted infant-mortality rate per 1,000 live births for a 1-year increase is -0.7372 which is a decrease. 

Question 6 

Excel file attached