SOAN 2120 Study Guide - Final Guide: The Focus Group, Null Hypothesis, Random Assignment

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There are 3 measures of central tendency (mean, median, Mode: mean: the mean is generated by adding up all the numbers than divided by 2, median: the middle point (50th percenile). Half of the cases are below and half of the cases are above (middle of chart): mode: it the most common or frequently occurring number (can be more than one number). All three are used for frequency distribuions. Correlaion coeicient (209: variables are measured to see whether or not they have a relaionship and if the independent value causes the dependent value. Muliple regression (211: this is a staisical technique used to compute hard calculaions, it controls for many alternaive explanaions and variables simultaneously, 1. Tells how well a set of variables explains a dependent variable: 2. Measures the direcion and size of the efect of each variable on a dependent variable. (given numerical value)