# Applied statistics statistics homework help

Exercise 19

1. According to the relevant study results section of the Darling-Fisher et al. (2014) study, what

categories are reported to be statistically significant?

2. What level of measurement is appropriate for calculating the Ï‡ 2 statistic? Give two examples

from Table 2 of demographic variables measured at the level appropriate for Ï‡ 2 .

3. What is the Ï‡2 for U.S. practice region? Is the Ï‡ 2 value statistically significant? Provide a rationale

4. What is the df for provider type? Provide a rationale for why the df for provider type presented in Table 2 is correct.

5. Is there a statistically signifi cant difference for practice setting between the Rapid Assessment

for Adolescent Preventive Services (RAAPS) users and nonusers? Provide a rationale for your

6. State the null hypothesis for provider age in years for RAAPS users and RAAPS nonusers.

7. Should the null hypothesis for provider age in years developed for Question 6 be accepted or

8. Describe at least one clinical advantage and one clinical challenge of using RAAPS as described

by Darling-Fisher et al. (2014).

9. How many null hypotheses are rejected in the Darling-Fisher et al. (2014) study for the results