Data Visualization with ggplot2 MCQ question and answer with solution | R Programming MCQs

A. Chisq

B. Fisher

C. Prop

D. Stem

A. poly()

B. qline()

C. phi2poly

D. multi.plot()

A. multi.plot()

B. multi.hist

C. xyplot.multi()

D. poly()

A. count.pairwise

B. count() +

C. anova.para()

D. count.poly()

A. mean

B. sd

C. describe

D. lm

A. difference

B. reliability

C. error

D. similar

A. Scatterplot

B. Box plot

C. Density plot

D. Scatterplot, Boxplot, Density plot

A. R-Squared   Lower the better
F-Statistic   Higher the better

B. R-Squared   Lower the better
F-Statistic   Lower the better

C. R-Squared   Higher the better
F-Statistic   Higher the better

D. R-Squared   Higher the better
F-Statistic   Lower the better

A. first+second

B. first:second

C. first+second+first:second

D. first:second+second:first

A. Sum of residuals (∑(Y – h(X))) is minimum

B. Sum of the absolute value of residuals (∑|Y-h(X)|) is maximum

C. Sum of the square of residuals ( ∑ (Y-h(X))2) is minimum

D. Sum of the square of residuals ( ∑ (Y-h(X))2) is maximum