SOCI 328 Lecture Notes - Lecture 12: Scatter Plot, Standard Deviation
Document Summary
Used to change the centre of a distribution by shifting a distribution of values up or down. X2 = (x1 minus its mean) / s a. a. Used to remove the scale from x1 and then dividing by the standard deviation of x1 creates a variable with a mean of 0 and a standard deviation of 1. Altering the shape of a distribution of values. a. b. Used to create a symmetric version of a skewed variable. A scatterplot visually depicts the relationship between two continuous variables. The values of one variable appear on the horizontal axis. When we can meaningfully differentiate between an independent (or explanatory) variable and a dependent (or response) variable, the independent variable should form the x- axis and the dependent variable the y- axis. Are the points generally going up or down as you move along the x- axis from left to right.
