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MCQs

Total Questions : 67 | Page 5 of 7 pages
Question 41. Which of the following is the assignment operator?
 Discuss Question
Answer: Option A. ->
Question 42. Which symbol is used to start a comment?
  1.    /
  2.    $
  3.    #
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> #
Question 43. Which of the following is a loosely-typed language?
  1.    R
  2.    T
  3.    S
  4.    Both R and S
 Discuss Question
Answer: Option C. -> S
Question 44. What is the limit to matrices in R?
  1.    One dimensional
  2.    Two dimensional
  3.    Three dimensional
  4.    No limit
 Discuss Question
Answer: Option B. -> Two dimensional
Question 45. Which is the function used to add the vectors?
  1.    c()
  2.    add(vectors)
  3.    c(vectors)
  4.    vectors.add
 Discuss Question
Answer: Option A. -> c()
Question 46. Which of the following list contains multiple data types?
  1.    Vectors
  2.    Data frames
  3.    Matrices
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Data frames
Question 47. What is the purpose of the method plot()?
  1.    Displays symbols
  2.    Displays charts
  3.    Displays symbols and charts
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Displays charts
Question 48. Which function is used to create data frames?
  1.    data.frames()
  2.    frame.data()
  3.    data.frame()
  4.    frame(data)
 Discuss Question
Answer: Option C. -> data.frame()
Question 49. How many parameters does the method plot() accept?
  1.    6
  2.    7
  3.    8
  4.    9
 Discuss Question
Answer: Option D. -> 9
Question 50. What is the need for bubble charts?
  1.    Represent 2D data
  2.    Represent 3D data
  3.    Represent 2D and 3D data
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Represent 3D data

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