Statistics 2070 Fall 2010 Assignment Number 9 --- Due Friday November 5 Use the
ID: 2957418 • Letter: S
Question
Statistics 2070Fall 2010
Assignment Number 9 --- Due Friday November 5
Use the following scenario for problem 1 through 14. The importance of Stem Cell research. There has been considerable debate about legalizing Stem Cell research. In order to add our 2 cents worth to the debate, I have decided to ask the following question, “Do you think that Stem Cell research should be legalized in the United States; YES or NO?” to a sample of 20 people who have at least one parent with Alzheimer’s disease and to a sample of 30 people who do not have a parent with Alzheimer’s disease. Here are the results
Stem Cell Research Should be Legalized
YES NO
Parent with Alzheimer’s Disease 18 2
No Parent with Alzheimer’s Disease 10 20
1. What is the variable in this scenario? ________________________________________________
2. What is its level of measurement? __________________________________________________
3. What is the appropriate test situation? _______________________________________________
4. H0 in English __________________________________________________________________
5. HA in English __________________________________________________________________
6. What is the critical value _________________________________________________________
7. For what values of the test statistic will you reject H0 __________________________________
8. Calculate the value of the test statistic (show all of your work)
O
E
(O – E)
(O – E)2
(O – E)2 /E
Value of the Test Statistic = ______________________________________
13. What is your statistical conclusion, to fail to reject H0 or reject H0? Why?
14. Interpret your statistical conclusion.
Explanation / Answer
. What is the variable in this scenario? Stem Cell Research 2. What is its level of measurement? Yes No 3. What is the appropriate test situation? Chi-square test