Data Science Miscellaneous MCQ

Test your knowledge with important Data Science Miscellaneous MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Data Science Miscellaneous MCQs on Bissoy. Bissoy App

• Which of the following function can be replaced with the question mark in the below figure?<br> <img src="/images/question-image/data-science/data-science-miscellaneous/1696571462-17-295.jpg" title="Data Science Miscellaneous mcq question image" alt="Data Science Miscellaneous mcq question image">
  ক

  boxplot

  খ

  lplot

  গ

  levelplot

  ঘ

  all of the mentioned
• Which of the the following graphic device information is odd man out in the below figure?<br> <img src="/images/question-image/data-science/data-science-miscellaneous/1696571021-17-294.jpg" title="Data Science Miscellaneous mcq question image" alt="Data Science Miscellaneous mcq question image">
  ক

  quartz

  খ

  window

  গ

  unix

  ঘ

  x11
• Which of the following function has parameters shown in the below figure?<br> <img src="/images/question-image/data-science/data-science-miscellaneous/1696571092-17-293.jpg" title="Data Science Miscellaneous mcq question image" alt="Data Science Miscellaneous mcq question image">
  ক

  par

  খ

  bar

  গ

  base

  ঘ

  all of the mentioned
• Which of the following block information is odd man out in the below figure?<br> <img src="/images/question-image/data-science/data-science-miscellaneous/1696571231-17-292.jpg" title="Data Science Miscellaneous mcq question image" alt="Data Science Miscellaneous mcq question image">
  ক

  Scatterplots

  খ

  5 number summary

  গ

  2D Graph

  ঘ

  None of the mentioned
• Which of the following outcome is odd man out in the below figure?<br> <img src="/images/question-image/data-science/data-science-miscellaneous/1696571552-17-291.jpg" title="Data Science Miscellaneous mcq question image" alt="Data Science Miscellaneous mcq question image">
  ক

  R Squared

  খ

  Kappa

  গ

  RMSE

  ঘ

  All of the mentioned
• Which of the following clustering type has characteristic shown in the below figure?<br> <img src="/images/question-image/data-science/data-science-miscellaneous/1696571334-17-290.jpg" title="Data Science Miscellaneous mcq question image" alt="Data Science Miscellaneous mcq question image">
  ক

  Partitional

  খ

  Hierarchical

  গ

  Naive bayes

  ঘ

  None of the mentioned
• Chebyshev's inequality states that the probability of a "Six Sigma" event is less than . . . . . . . .
  ক

  10%

  খ

  20%

  গ

  30%

  ঘ

  3%
• The square root of the variance is called the . . . . . . . . deviation.
  ক

  empirical

  খ

  mean

  গ

  continuous

  ঘ

  standard
• Which of the following value is the most common measure of "statistical significance"?
  ক

  P

  খ

  A

  গ

  L

  ঘ

  All of the mentioned
• The . . . . . . . . of a collection of data is the joint density evaluated as a function of the parameters with the data fixed.
  ক

  probability

  খ

  likelihood

  গ

  poisson distribution

  ঘ

  all of the mentioned
• . . . . . . . . random variables are used to model rates.
  ক

  Empirical

  খ

  Binomial

  গ

  Poisson

  ঘ

  All of the mentioned
• gvisAnnotatedTimeLine returns list of class "gvis" and "list".
  ক

  True

  খ

  False
• Code chunks begin with "`{r} and end with "`.
  ক

  True

  খ

  False
• Collection of exchangeable binary outcomes for the same covariate data are called . . . . . . . . outcomes.
  ক

  random

  খ

  direct

  গ

  binomial

  ঘ

  none of the mentioned
• Which of the following global option has value "hide"?
  ক

  results

  খ

  fig.width

  গ

  echo

  ঘ

  none of the mentioned
• Normalized data are centered at . . . . . . . . and have units equal to standard deviations of the original data.
  ক

  0

  খ

  5

  গ

  1

  ঘ

  10
• The . . . . . . . . function returns its argument with a modified shape, whereas the . . . . . . . . method modifies the array itself.
  ক

  reshape, resize

  খ

  resize, reshape

  গ

  reshape2, resize

  ঘ

  all of the mentioned
• Gosset's distribution is invented by which of the following scientist?
  ক

  William Gosset

  খ

  William Gosling

  গ

  Gosling Gosset

  ঘ

  All of the mentioned
• Residual . . . . . . . . plots investigate normality of the errors.
  ক

  RR

  খ

  PP

  গ

  QQ

  ঘ

  None of the mentioned
• The . . . . . . . . basically states that the sample mean is consistent.
  ক

  LAN

  খ

  LLN

  গ

  LWN

  ঘ

  None of the mentioned
• To create sequences of numbers, NumPy provides a function . . . . . . . . analogous to range that returns arrays instead of lists.
  ক

  arange

  খ

  aspace

  গ

  aline

  ঘ

  all of the mentioned
• Literate program code is live-automatic "regression test" when building a document.
  ক

  True

  খ

  False
• . . . . . . . . decompose the elements of x into mantissa and twos exponent.
  ক

  trunc

  খ

  fmod

  গ

  frexp

  ঘ

  ldexp
• The most familiar place for a plot to be "sent" is screen device.
  ক

  True

  খ

  False
• Original idea comes of Literate Statistical Practice from . . . . . . . .
  ক

  Don Knuth

  খ

  Don Cutting

  গ

  Douglas Cutting

  ঘ

  All of the mentioned
• The . . . . . . . . of the Chi-squared distribution is twice the degrees of freedom.
  ক

  variance

  খ

  standard deviation

  গ

  mode

  ঘ

  none of the mentioned
• What is the primary purpose of "t-SNE" (t-distributed stochastic neighbor embedding) in data visualization?
  ক

  To create decision boundaries

  খ

  To perform feature scaling

  গ

  To calculate the mean squared error

  ঘ

  To reduce the dimensionality of data while preserving pairwise similarities
• In data science, what is the term for the process of aggregating data from multiple sources into a single dataset?
  ক

  Data integration

  খ

  Data augmentation

  গ

  Data normalization

  ঘ

  Data imputation
• What does the term "p-value" represent in statistical hypothesis testing?
  ক

  A measure of central tendency

  খ

  A measure of data spread

  গ

  A confidence interval

  ঘ

  The probability of observing a test statistic as extreme as, or more extreme than, what was observed, assuming the null hypothesis is true
• In machine learning, what is the term for a technique that generates synthetic data points to balance class distribution?
  ক

  Regularization

  খ

  Feature extraction

  গ

  Undersampling

  ঘ

  Oversampling