MCQs of Information Visualization

By: Prof. Dr. Fazal Rehman | Last updated: March 3, 2022

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
Answer - Click Here:
C
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
Answer - Click Here:
D
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
Answer - Click Here:
B
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
Answer - Click Here:
C
5.Identify statement make a mosaic plot___? A. histogram() B. bar() C. mosaicplot() D. which.max(x) E. Both b and c F. None of these
Answer - Click Here:
C
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
Answer - Click Here:
C
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
Answer - Click Here:
B
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
Answer - Click Here:
B
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
Answer - Click Here:
C
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
Answer - Click Here:
B
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
Answer - Click Here:
C
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
Answer - Click Here:
B
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
Answer - Click Here:
B
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
Answer - Click Here:
B
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
Answer - Click Here:
B
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
Answer - Click Here:
C
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
Answer - Click Here:
B
18.Idicate best option from the following compute analysis of variance table for fitted model? A. ecdf() B. cum() C. anova() D. bwplot() E. Both b and c F. None of these
Answer - Click Here:
C
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
Answer - Click Here:
D
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
Answer - Click Here:
B

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