empirical rule calculator, formula and practice problems to estimate the percentage of values around the mean for the standard deviation width of 1σ, 2σ & 3σ to analyze normally distributed (bell shaped) statistical data.
Effect sizes r are computed using the formulae provided by Fritz et al. (2012). 4 Execution of the Experiment In this section, we first describe how we executed the experiment and then elaborate on the data collection steps. Figure 2 presents the flow of the events related to our ...