Question of the Day
Try our question of the day based on question types and topics
similar to those expected in the new format exam.
Theme:Analysis of data
| A | Insufficient statistical power |
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| B | Non-normal distribution of data |
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| C | Narrow confidence intervals |
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| D | Small sample size |
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| E | Small standard deviations |
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| F | Unequal numbers of males and females in the groups |
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| G | Normal distribution of data |
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Which of the above is most likely to invalidate the following
statistical tests?
A study compares two interventions for the treatment of chronic
foot ulceration. Comparisons between the average healing times are
to be made using the unpaired Student's t-test.
A study analyses change in body composition over time before and after intensive care. Results are to be analysed using analysis of variance (ANOVA).