1/ When conducting a hypothesis test (or test of significance), select all the true statements.

• assume the alternative hypothesis is true.
• significance level is selected before collecting data.
• None of these

2/ Select the correct answer for the blank of each of the following statements.

(i) Asmaller significance levelmakes it ............................... (more difficult/ easier)to reject the nullhypothesis.

(ii) Thep-value of a two-tail (or two-side)test is..........................( half of/ same as/ twice (or double) )thep-value of a one-tail (or one-side)test if everything else stays the same.

(iii) It is........................... ( possible/ impossible )to makebothtype I error and type II error inone hypothesis test at the same time.

(iv)Statisticalsignificance....................................(implies/ does not imply )practicalsignificance.