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MCQs
6530 questions found
A.
To immediately recommend approval.
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B.
To caution that a non-significant result might be due to low power (Type II error) rather than true ineffectiveness, necessitating further investigation.
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C.
To ignore the power and focus on the p-value.
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D.
To recommend disapproval regardless of findings.
✓
A.
Logistic regression.
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B.
Simple linear regression.
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D.
Multiple linear regression.
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D.
Interquartile range.
✓
B.
Independent samples t-test.
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A.
Independent samples t-test.
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C.
Mann-Whitney U test (or Wilcoxon rank-sum test).
✓
B.
Interquartile range.
✓
A.
High power is not necessary.
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B.
High statistical power (e.g., 80% or 90%) is critically needed.
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C.
The power should be as low as possible.
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D.
Power is only relevant for large differences.
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A.
Binomial distribution.
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B.
Poisson distribution.
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C.
Normal distribution.
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D.
Uniform distribution.
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C.
Pie chart or bar chart.
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A.
The drug definitely increases the biomarker.
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B.
The drug definitely decreases the biomarker.
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C.
The confidence interval includes zero, suggesting no statistically significant effect of the drug on the biomarker.
✓
D.
The drug is highly effective.
✓
A.
Descriptive statistics.
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C.
Inferential statistics.
✓
A.
Independent samples t-test.
✓
