I to Prevent Bias, the Level of Significance Is Selected

question 141

Multiple Choice

i. To prevent bias, the level of significance is selected before setting up the decision rule and sampling the population.
Ii) The fifth and final step in testing a hypothesis is taking a sample and, based on the decision rule, deciding if the null hypothesis should be rejected.
Iii) When the null hypothesis is not rejected, the conclusion is that our sample data does not allow us to reject the null hypothesis.

• 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

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Definitions:

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