Exam-style question
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A test statistic is not in the critical region at the 5% significance level. State the conclusion.
- A.do not reject H0
- B.2o
- C.1o^2
- D.1o
Model answer
What a good answer should say
- The correct answer is do not reject H0.
This answer is tied to the objective: O3 Conduct a statistical hypothesis test for the mean of a Normal distribution with known, given or assumed variance and interpret the results in context..
Explanation
Why this works
Use the explanation to connect the worked answer back to O3 Conduct a statistical hypothesis test for the mean of a Normal distribution with known, given or assumed variance and interpret the results in context..
Trace the calculation before choosing. The verified method for Normal hypothesis test for a mean gives do not reject H0; no later explanation is allowed to change that value.
Maths method check
- Topic focus: Statistics.
- Question style: practice.
- Reasoning demand: analysis.
- Check the operation, notation, units, and final answer form against the question before moving on.
Common mistake
No common mistake is linked to this question yet.