Correct Answer is : Scatterplot, Boxplot, Density plot

Correct Answer is : first+second+first:second

Correct Answer is : Linear regression

Correct Answer is : Coefficient of determination

Correct Answer is : Extrapolation

Correct Answer is : Intra polation

Correct Answer is : ANOVA

Correct Answer is : Linear regression

Correct Answer is : Linear regression

Correct Answer is : Multiple Linear model

Correct Answer is : Regression coefficients

Correct Answer is : reverse regression method

Correct Answer is : Direct

Correct Answer is : Linear regression

Correct Answer is : Variance

Correct Answer is : ignore

Correct Answer is : Normal

Correct Answer is : apply()

Correct Answer is : sapply()

Correct Answer is : mapply()