Etc1000 9 Correlation

Summary

Learn the basics of summarising a set of numerical data using the mean, median and variance. This video explains how to find the Basic tools of Descriptive Analytics when the data represents categories of some characteristic of interest. Learn the basic theory and jargon of hypothesis testing. Are differences in the mean across groups due to chance or some systematic underlying difference? Introduction to Diagnostic Analytics and a tool for identifying relationships with categorical data. This video explores how we test for significant differences in proportions of a characteristic of interest across groups. This video introduces the idea that we use a sample to estimate a population characteristic of interest. An introduction to the importance of DATA, and how data needs to be processed properly to provide useful INFORMATION which ... Some basic tools for Descriptive Analytics with numerical data, using frequency distributions and histograms. Discovering patterns in data by looking for differences in characteristics of a variable across different groups or sub-populations. In this lesson we look at how to use the This college statistics video tutorial explains how to calculate the Learn about what a confidence interval means, and how we construct them for estimating means, proportions and