Next steps in statistics
These resources are designed to help understand some key concepts in statistics.
On
Video | Written Resource | Exercises | |
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Variance and standard deviation |
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Introduction to formulae | |||
Sample variance | |||
Why we divide by (n-1) | |||
Confidence intervals |
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Calculating confidence intervals for the mean | |||
Relative risk and odds ratios |
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Relative risk | |||
Odds ratios | |||
Comparing relative risk and odds ratios |
Medical statistics definitions, including definitions of relative risks and odds ratios |
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Introduction to correlation |
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Introduction to correlation | |||
Different measures of correlation | Measures of correlation | ||
Simple linear regression |
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Introduction | |||
Making predictions | Making predictions | ||
Hypothesis testing principles |
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Principles of hypothesis testing | Booklet | ||
Type I and II errors: power, sample Size, effect size, etc |
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Power analysis | Power-based calculations | ||
Sample size calculations | |||
Type I and Type II errors | |||
Cohen d (effect size) | |||
Introductory Hypothesis tests |
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Paired vs unpaired data | |||
One-Sample T-test | |||
T-tests (paired) |
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T-tests (unpaired) | |||
Chi-squared test | |||
Fisher's exact test | Fisher’s Exact test (Word, XKB) |
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