Measures of variability are statistical tools that help us assess data variability by informing us about the quality of a dataset mean. This second of two blogs on the topic will look at coefficient of variation and the z-score.
Measures of variability are statistical tools that help us assess data variability by informing us about the quality of a dataset mean. This first of two blogs on the topic will cover basic concepts of range, standard deviation, and variance.
Learn more about the measures of central tendency (mean, mode, median) and how these need to be critically appraised when reading a paper.
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Another 20 minute tutorial from Tim.
The nuts and bolts 20 minute tutorial from Tim.
This new webpage from Cochrane UK is aimed at students of all ages. What is evidence-based practice? What is ‘best available research evidence’? Which resources will help you understand evidence and evidence-based practice, and search for evidence?