Data Visualization with ggplot2 MCQ question and answer with solution

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Each section contains 100 MCQs on Data Visualization with ggplot2 .

. . . . . . . . function carries out a chi-square test.

A) chisq.test() B) t.test() C) prop.test() D) fisher.test()

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following adds marginal sums to an existing table?

A) par() B) prop.table() C) addmargins() D) quantile()

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following lists names of variables in a data.frame?

A) quantile() B) names() C) barchart() D) par()

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following is tool for chi-square distributions?

A) pchisq() B) chisq() C) pnorm D) barchart()

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following groups values of a variable into larger bins?

A) cut B) col.max(x) C) stem D) which.max(x)

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following determine the least-squares regression line?

A) histo() B) lm C) barlm() D) col.max(x)

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following is tool for checking normality?

A) qqline() B) qline() C) anova() D) lm()

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following is lattice command for producing boxplots?

A) plot() B) bwplot() C) xyplot() D) barlm()

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following compute analysis of variance table for fitted model?

A) ecdf() B) cum() C) anova() D) bwplot()

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following is used to find variance of all values?

A) var() B) sd() C) mean() D) anova()

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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