Legend for Interpreting the Symbols in Statistical Formulas ..., Study notes of Statistics

Download Legend for Interpreting the Symbols in Statistical Formulas ... and more Study notes Statistics in PDF only on Docsity! Legend for Interpreting the Symbols in Statistical Formulas 𝑠2 = Variance 𝑠1 2 = Variance of group 1 (like the experimental group) 𝑠2 2 = Variance of group 2 (like the control or other comparison group) 𝑠 = Standard Deviation 𝑠𝑥 = Standard deviation of variable x 𝑠𝑦 = Standard deviation of variable y = Sum everything that follows 𝑛 = Number of people in a group 𝑁 = Number of people in the sample 𝑥 = Individual’s score for a variable 𝑥 = Mean of all of the individual’s scores for a variable 𝑦 = Individual’s score on a second variable 𝑦 = Mean of all of the individual’s scores for a second variable Formula for the Calculation of Variance Formula for the Calculation of Standard Deviation Formula for the Calculation of the Pearson Product-Moment Correlation Formula for the Calculation of a 2-sample T-Test