Bual 2650 Gupta Final questions and
answers with solutions 2025
predictive analytics - ANSWER what will happen
descriptive analytics - ANSWER What has happened?
correlation coefficient - ANSWER measure of linear relationship between 2 variables, x and y,
which doesn't depend on units of measurement
R squared - ANSWER the proportion of the total variation in a dependent variable explained by
an independent variable
lurking variable - ANSWER unknown variable that hasnt been accounted for
equations - ANSWER actual-predicted
Multicollinearity - ANSWER independent variables are highly correlated
p-value > alpha - ANSWER fail to reject
p-value < alpha - ANSWER reject Ho
null hypothesis (HO) - ANSWER existing theory or belief, always assumed to be true
probability of confidence coefficent - ANSWER (not rejecting HO | HO is true)
answers with solutions 2025
predictive analytics - ANSWER what will happen
descriptive analytics - ANSWER What has happened?
correlation coefficient - ANSWER measure of linear relationship between 2 variables, x and y,
which doesn't depend on units of measurement
R squared - ANSWER the proportion of the total variation in a dependent variable explained by
an independent variable
lurking variable - ANSWER unknown variable that hasnt been accounted for
equations - ANSWER actual-predicted
Multicollinearity - ANSWER independent variables are highly correlated
p-value > alpha - ANSWER fail to reject
p-value < alpha - ANSWER reject Ho
null hypothesis (HO) - ANSWER existing theory or belief, always assumed to be true
probability of confidence coefficent - ANSWER (not rejecting HO | HO is true)
