Designing a Questionnaire or Survey - statistics help
The video teaches the steps you should go through when designing a questionnaire or survey. It gives the example of Helen, who ...
Random Variables and Probability Distributions
The idea of a random variable can be surprisingly difficult. In this video we help you learn what a random variable is, and the ...
Types of Data: Nominal, Ordinal, Interval/Ratio - Statistics Help
The kind of graph and analysis we can do with specific data is related to the type of data it is. In this video we explain the different ...
Hypothesis testing: step-by-step, p-value, t-test for difference of two means - Statistics Help
This entertaining video works step-by-step through a hypothesis test, using the difference of two means as an example.
Understanding Statistical Inference - statistics help
The most difficult concept in statistics is that of inference. This video explains what statistical inference is and gives memorable ...
Calculating the Confidence interval for a mean using a formula - statistics help
This video carries on from "Understanding Confidence Intervals" https://youtu.be/tFWsuO9f74o In this video we introduce a ...
Understanding Confidence Intervals: Statistics Help
This short video gives an explanation of the concept of confidence intervals, with helpful diagrams and examples. A good ...
Statistical Tests: Choosing which statistical test to use
Seven different statistical tests and a process by which you can decide which to use. See https://creativemaths.net/videos/ for all of ...
P-value in statistics: Understanding the p-value and what it tells us - Statistics Help
This video explains how to use the p-value to draw conclusions from statistical output. Try the quiz after: ...
Sampling: Simple Random, Convenience, systematic, cluster, stratified - Statistics Help
This video describes five common methods of sampling in data collection. Each has a helpful diagrammatic representation.
Dr. Nicola Petty
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