Next steps in statistics

These resources are designed to help understand some key concepts in statistics.

On
 VideoWritten Resource

Variance and standard deviation

  
Introduction to formulae
Sample variance 
Why we divide by (n-1) 

Confidence intervals

  
Calculating confidence intervals for the mean

Relative risk and odds ratios

  
Relative risk and Odds ratiosMASH Resource

Introduction to correlation

  
Introduction to correlation

Different measures of correlation Measures of correlation
Pearson's Correlation 
Spearman's Correlation 

Regression

  
Introduction to Simple Linear Regression

Making predictionsMaking predictions
Multiple Regression
Logistic Regression

Hypothesis testing Introduction

  
Principles of hypothesis testing

MASH Webpage
Choosing a Hypothesis testMASH Webpage

Type I and II errors: power, sample Size, effect size, etc

  
Power analysis

Exercise

Sample size calculations 

Power Based Sample Size Calculations

An Introductin to Sample Size Calculations

Type I and Type II errorsMASH Webpage
Cohen d (effect size) 

Hypothesis tests 

  
Paired vs unpaired data 
One-Sample T-test  
T-tests (paired)

 

Paired t-tests booklet (PDF, XKB)

T-tests (unpaired)

Booklet

Chi-squared test

Fisher's exact testFisher’s Exact test (Word, XKB)
Mann-Whitney U testBooklet
Kruskall-Wallis test 
Test of two proportions
Testing for Normality
Wilcoxon sign rank test

ANOVA etc

  
Introducting ANOVAMASH booklet (PDF, XKB)
ANOVA - Post Hoc testsMASH booklet (PDF, XKB)
One Way ANOVA
Repeated Measures ANOVA
Two-way ANOVA

Mixed ANOVA

Two people sitting at a table looking at some work together
Two people sitting at a table looking at some work together

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