1. List the common assumptions for tests of mean differences and discuss why it is important to check them.2. True or False?A nurse practitioner wants to comparedifferences between control and experimental group on the effectiveness in treating a constipation. The most appropriate statistical test will be independent samples t-test3. True or False?A nurse investigator is examining whether the amount of exercise (None, 1 time per week, times per week, and more than 2 times per week) has any influence on personal satisfaction. The most appropriatestatistical test is one-way ANOVA.4. True or False?A nurse manager wants to comparedifferences in safety culture scores from respondents in accredited nursing homes across two time points. The mostappropriate statistical test is one-way one-sample t-test.