2. A researcher wants to find out how students feel about a proposal to ban smoking on campus. She selected THREE groups of “students who currently smoke”, “students who formerly smoke”, and “students who never smoke”. Also, she selects a sample of 5 students from each group and conduct an ANOVA test. The researcher obtained the following results:

Question

2.	A researcher wants to find out how students feel about a proposal to ban smoking on campus. She selected THREE groups of “students who currently smoke”, “students who formerly smoke”, and “students who never smoke”. Also, she selects a sample of 5 students from each group and conduct an ANOVA test.   The researcher obtained the following results:

SST=70  
SSW=30
•	Write the ANOVA formula. 
•	Set up the HO and H1
•	Calculate ANOVA (F) and conclude whether accept or reject HO.
(Hint; you must calculate and obtain the other components of ANOVA from the given information)