Identify the correct statement(s) about hypothesis testing. i. P-value is the probability of obtaining the observed data if the null hypothesis were true. ii. A researcher will reject the null hypothesis, if the P-value is smaller than or equal to the predetermined significance level. iii. A researcher will conclude that the evidence is not strong enough to reject the null hypothesis, if the P-value is larger than the predetermined significance level. iv. A researcher can NEVER be sure whether a decision made on the basis of a statistical test is accurate or not. v. Type II error occurs if a null hypothesis is rejected.

Group of answer choices

1) iii and iv only

2) i, ii, and iii only

3) i, ii, iii, and iv only

4) i and iii only

5) iv and v only