I to Prevent Bias, the Level of Significance Is Selected

question 97

Multiple Choice

i. To prevent bias, the level of significance is selected before setting up the decision rule and sampling the population.
Ii) The level of significance is the probability that a true hypothesis is rejected.
Iii) If the critical values of the test statistic z are ±1.96, they are the dividing points between the areas of rejection and non-rejection.

• 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) (ii) and (iii) are correct statements but not (i).

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