Let see us see an important list of MCQs of Information Visualization.

1.From following Which type make a vector of repeated values___?

A. rep()

B. view()

C. data()

D. read()

E. Both b and c

F. None of these

2.Which of the followings is the most suitable answer to identify the position of a quantile in a dataset___?

A. rep()

B. barplot()

C. barchart()

D. quantile()

E. Both b and c

F. None of these

3. Idicate that function cross tabulate tables using formulas__?

A. table

B. read

C. xtabs

D. stem

E. Both b and c

F. None of these

4. From the following Which groups find the correlation matrix ___?

A. stem

B. col.max(x)

C. factor.model

D. which.max(x)

E. Both b and c

F. None of these

5.Identify statement make a mosaic plot___?

A. histogram()

C. mosaicplot()

D. which.max(x)

E. Both b and c

F. None of these

6. Indicate compute proportions from a contingency table __?

A. par()

B. anova()

C. prop.table()

D. mosaicplot()

E. Both b and c

F. None of these

7. Select the most appropriate answer that is related to lattice command for producing a scatterplot?

A. plot()

B. xyplot()

C. lm()

E. Both b and c

F. None of these

8.From the follwing which builds empirical cumulative distribution function___?

A. cum

B. ecdf()

C. cumsum

D. lm()

E. Both b and c

F. None of these

9.Which is helped us to view dataset in a spreadsheet-type format ____ ?

A. Disp()

B. Seq()

C. View()

D. lm()

E. anova()

F. None of these

10. From the following ___ function carries out a chi-square test.

A. t.test()

B. chisq.test()

C. prop.test()

D. fisher.test()

E. Both b and c

F. None of these

11.Indicate which adds marginal sums to an existing table?

A. par()

B. addmargins()

C. prop.table()

D. quantile()

E. Both b and c

F. None of these

12.From the following which lists names of variables in a data.frame____?

A. names()

B. quantile()

C. barchart()

D. par()

E. Both b and c

F. None of these

13.Indicate which is tool for chi-square distributions?

A. pchisq()

B. pnorm

C. chisq()

D. barchart()

E. Both b and c

F. None of these

14. Which values of a variable into larger bins____?

A. col.max(x)

B. cut

C. stem

D. which.max(x)

E. Both b and c

F. None of these

15.Identify determine the least squares regression line_____?

A. histo()

B. lm

C. barlm

D. col.max(x)

E. Both b and c

F. None of these

16.From the following which is a tool for checking normality?

A. qline()

B. anova()

C. qqline()

D. lm()

E. Both b and c

F. None of these

17. Choose best option from the following. The following is lattice command for producing boxplots?

A. plot()

B. bwplot()

C. xyplot()

D. barlm()

E. Both b and c

F. None of these

18.Idicate best option from the following compute analysis of variance table for fitted model?

B. cum()

C. anova()

D. bwplot()

E. Both b and c

F. None of these

19.Indicate best option of the following is used to find variance of all values?

A. mean()

B. sd()

C. anova()

D. var()

E. Both b and c

F. None of these

20.Choose best option from the following the purpose of fisher.test() is _______ test for contingency table.

A. Chisq

B. Fisher

C. Prop

D. Stem

E. Both b and c

F. None of these