C784 Statistics FULL COURSE REVIEW Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+

Lurking Variable : Associated with the explanatory and the response variables that is not directly being studied. Simpson's Paradox : Occurs when a trend or result that appears in groups of data disappears when we combine the data. Regression Analysis : A process for estimating and analyzing the relationship between variables. Least-Squares Regression Line : AKA the line of best fit. y = mx + b "rise over run" 2 | P a g e Interpolation : Using existing data along with the Least-Squares Regression Line to make a prediction. Extrapolation : Estimation by projecting OUTSIDE known data points. p-value : the probability that a result occurred by chance Significance Levels in Hypothesis Testing : Statistically Significant: If a measured p-value is less than the significance level. NOT Statistically Significant: If a measured p-value is MORE than the significance level. Empirical Rule : 68 - 95 - 99.7 68% is w/in 1 standard deviation of the mean 95% is w/in 1 standard deviation of the mea