Data Science MCQs with answers Page - 21

Here, you will find a collection of MCQ questions on Data Science. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Which EDA technique is used to visualize the relationship between two categorical variables in a contingency table format?

  • (A) Box Plot
  • (B) Scatter Plot
  • (C) Crosstabulation
  • (D) Bar Chart

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Q. In EDA, what does the term "skewness" refer to?

  • (A) The symmetry of a data distribution
  • (B) The spread of data
  • (C) The shape of a data distribution
  • (D) The presence of outliers

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Q. What is the primary purpose of a contour plot in EDA?

  • (A) To visualize the distribution of data
  • (B) To display relationships between variables
  • (C) To compare multiple categories
  • (D) To identify missing values

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Q. In EDA, what is the term for a graphical representation that displays the distribution of a continuous variable using a kernel?

  • (A) Scatter Plot
  • (B) Box Plot
  • (C) Violin Plot
  • (D) Density Plot

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Q. In EDA, what is the primary purpose of a histogram?

  • (A) To display relationships between variables
  • (B) To visualize the distribution of data
  • (C) To identify missing values
  • (D) To calculate summary statistics

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Q. Which EDA technique is used to visualize the distribution of a single categorical variable as a bar chart?

  • (A) Box Plot
  • (B) Scatter Plot
  • (C) Histogram
  • (D) Bar Chart

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Q. What does the term "mode" refer to in the context of data distribution analysis in EDA?

  • (A) The most frequently occurring value
  • (B) The average value
  • (C) The spread of data
  • (D) The presence of outliers

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Q. In EDA, what is the primary purpose of a line plot (time series plot)?

  • (A) To display relationships between variables
  • (B) To visualize the distribution of data
  • (C) To identify missing values
  • (D) To calculate summary statistics

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Q. Which EDA technique is used to visualize the distribution of a single continuous variable and detect skewness?

  • (A) Violin Plot
  • (B) Box Plot
  • (C) Scatter Plot
  • (D) Histogram

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Q. What is the primary purpose of a swarm plot in EDA?

  • (A) To visualize the distribution of data
  • (B) To display relationships between variables
  • (C) To compare multiple categories
  • (D) To identify missing values

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