How to Find Measures of Variability? (+FREE Worksheet!)
A variance is a number that indicates how a series of data is distributed around the mean value. The sample variance of a set of \(n\) sample data is the number \(s^2\) defined by the formula \(s^2={\frac{∑(x- \bar x)^2}{n-1}}\). The square root \(s\) of the sample variance is called the sample standard deviation of a set of \(n\) […]
How to Make Inferences from Data? (+FREE Worksheet!)
Step by step guide to Making Inferences from Data In the research process, after collecting data, the next step involves analyzing the data. The statistical analysis process helps the researcher to extract the required information from the initial data and to generalize the results if necessary. Analyzing information as part of the process of the […]
