STT 201 Lecture Notes - Lecture 4: Dependent And Independent Variables, Regression Analysis, Lincoln Near-Earth Asteroid Research
15 Jul 2019
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Positive (1 increases another increases), negative (1 decreases another decreases) How close points are to the line of best fit. Regression analysis area of statistics used to examine a relationship between quantitative response and one explanatory variable. Equations describing average relationship between quantitative response and explanatory variables. = b0 + b1(x) b1 = slope b0 = intercept where line crosses y-axis x = (in regression line equation) explanatory variable estimated variable. If a line of best fit has a smaller sum, is has a _________ What is it called when all the residuals are added up in the line of best fit. When the variables" pattern resemble a straight line. A # that indicates the strength and direction of their linear relationship. Only useful if there is a linear relationship present r. The closer a correlation coefficient is to 1 or -1 the ____ it is. The closer a correlation coefficient is to 0 the ____ it is.
