A.
Binomial distribution.
✓
B.
Poisson distribution.
✓
C.
Normal distribution.
✓
D.
Exponential distribution.
✓
A.
To reduce the cost of the trial.
✓
B.
To prevent bias in the assessment of outcomes due to participant or researcher expectations.
✓
C.
To make data analysis easier.
✓
D.
To ensure all participants receive the active drug.
✓
C.
Correlation coefficient.
✓
C.
Independent samples t-test.
✓
B.
Confidence interval.
✓
C.
Statistical power and sample size calculation.
✓
