I the Level of Significance Is the Risk We Assume

i. The level of significance is the risk we assume of rejecting the null hypothesis when it is actually true.
Ii) There is only one level of significance that is applied to all studies involving sampling.
Iii) The researcher must decide on the level of significance before formulating a decision rule and collecting sample data.

A) (i) , (ii) and (iii) are all correct statements
B) (i) is a correct statement but not (ii) or (iii) .
C) (i) and, (iii) are correct statements but not (ii) .
D) (i) and, (ii) are correct statements but not (iii) .
E) All statements are false