12-Regarding to a good research, the following are correct except * [ (2 Points) A-Purpose clearly defined B-Research process detailed C-Research design thoroughly planned D-Findings presented ambiguously

13-The alternate hypothesis for the higher the salary, the greater the production (2 Points) a-Ms=Mp b-P=0 c-P>0 d-P<0

14-One of the following is not included in the methodology chapter (2 Points) * A-Model B-Sources of data C-Hypotheses D-Importance of study

15-The null hypothesis for Boys are cleverer than girls ? a-Mb=Mg

b-Mb= Mg

c-Mb< Mg d-none of the above