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R Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to R . You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.


Q 1 - How will we start the R program?

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 Answer is : Option C

Q 2 - Which of the level plotting commands generate figures?

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 Answer is : Option C

Q 3 - Which one of the following data finds the position of a quantile in a dataset?

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 Answer is : Option B

Q 4 - The given dataframe is stored in a variable named data. A B 1 Right 2 Wrong 3 Wrong 4 Right 5 Right 6 Wrong 7 Wrong 8 Right data Suppose B is a categorical variable and we wish to draw a boxplot for every level of the categorical level. Which one of the following commands will help us achieve that?

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 Answer is : Option A

Q 5 - If B is the data frame, how can we find column-wise null values?

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 Answer is : Option A

Q 6 - In R Language grepl() function used for?

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 Answer is : Option D

Q 7 - What is the symbol used to write comments in the R programming language?

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 Answer is : Option C

Q 8 - What is the default prompt for the UNIX environment?

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 Answer is : Option B

Q 9 - What will be the output of the given command – paste(1:3,c(“x”,”y”,”z”),sep=””) ?

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 Answer is : Option C

Q 10 - The number of atomic vector types does R have?

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 Answer is : Option A