Instructions: Read the scenario and answer the following questions. Data are gat
ID: 3173042 • Letter: I
Question
Instructions: Read the scenario and answer the following questions. Data are gathered on 16 students. Half of the students are randomly assigned to a new tutoring program and half have their usual school experience. A study finds that test scores for the tutoring program students are on average 10 points higher than those for the other students. The p-value for a test of improvement from the program is .3, not significant at even the 10% level.
1. What is the unit of analysis? 2. What is the research question? 3. State the null and alternative hypotheses. 4. What test of significance was used? 5. If mean test scores are 200 and the standard deviation is 40, are these results practically significant, in your opinion? Explain what practical significance means. 6. Explain what causes this result to be not statistically significant. 7. Do you conclude that the tutoring program is ineffective because the results are not statistically significant? 8. What recommendation would you make for adopting the new tutoring program?
Instructions: Read the scenario and answer the following questions. Data are gathered on 16 students. Half of the students are randomly assigned to a new tutoring program and half have their usual school experience. A study finds that test scores for the tutoring program students are on average 10 points higher than those for the other students. The p-value for a test of improvement from the program is .3, not significant at even the 10% level.
1. What is the unit of analysis? 2. What is the research question? 3. State the null and alternative hypotheses. 4. What test of significance was used? 5. If mean test scores are 200 and the standard deviation is 40, are these results practically significant, in your opinion? Explain what practical significance means. 6. Explain what causes this result to be not statistically significant. 7. Do you conclude that the tutoring program is ineffective because the results are not statistically significant? 8. What recommendation would you make for adopting the new tutoring program?
Instructions: Read the scenario and answer the following questions. Data are gathered on 16 students. Half of the students are randomly assigned to a new tutoring program and half have their usual school experience. A study finds that test scores for the tutoring program students are on average 10 points higher than those for the other students. The p-value for a test of improvement from the program is .3, not significant at even the 10% level.
1. What is the unit of analysis? 2. What is the research question? 3. State the null and alternative hypotheses. 4. What test of significance was used? 5. If mean test scores are 200 and the standard deviation is 40, are these results practically significant, in your opinion? Explain what practical significance means. 6. Explain what causes this result to be not statistically significant. 7. Do you conclude that the tutoring program is ineffective because the results are not statistically significant? 8. What recommendation would you make for adopting the new tutoring program?
Explanation / Answer
Dear student, I am only answering the first 4 subparts as per Chegg Guidelines.
1. The unit of analysis is the "test score of the students"
2. The research question is whether or nit the new program better than the usual school experience.
3. Null hypothesis is that the the new and the old program are the same or the old program was better.
Alternative hypothesis is that the new system is better.
4. Test of significance used is 10% or 0.10