医学统计学 英语选择题
- Which of the following is NOT a measure of central tendency? A. Mean B. Median C. Mode D. Variance
Answer: D. Variance
- Which of the following is a type of probability sampling? A. Convenience sampling B. Snowball sampling C. Stratified sampling D. Quota sampling
Answer: C. Stratified sampling
- Which of the following is a measure of variability? A. Standard deviation B. Range C. Interquartile range D. All of the above
Answer: D. All of the above
- Which of the following is a type of hypothesis? A. Null hypothesis B. Alternative hypothesis C. Both A and B D. None of the above
Answer: C. Both A and B
- Which of the following is a type of study design? A. Cross-sectional study B. Case-control study C. Cohort study D. All of the above
Answer: D. All of the abov
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