Data Analysis MCQs with answers Page - 6

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

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Q. Which of the following represents a continuous variable?

  • (A) Number of children
  • (B) Age
  • (C) Zip code
  • (D) Gender

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Q. What is the IQR in a box plot?

  • (A) Interquartile Range
  • (B) Internal Quantile Ratio
  • (C) Intermediate Quality Rating
  • (D) Item Quantity Ratio

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Q. Which process involves identifying missing or inconsistent data?

  • (A) Data transformation
  • (B) Data modeling
  • (C) Data validation
  • (D) Data mining

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Q. Which programming language is specifically designed for statistical computing?

  • (A) Python
  • (B) R
  • (C) C#
  • (D) JavaScript

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Q. Which method helps detect anomalies in data?

  • (A) Clustering
  • (B) Anomaly detection
  • (C) Normalization
  • (D) Imputation

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Q. What is a data frame in Python?

  • (A) A visualization tool
  • (B) A data structure in Pandas
  • (C) A function for modeling
  • (D) A JSON file

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Q. Which visual representation helps understand the distribution of a single variable?

  • (A) Histogram
  • (B) Line chart
  • (C) Scatter plot
  • (D) Pie chart

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Q. What does skewness measure in a dataset?

  • (A) Spread of data
  • (B) Central tendency
  • (C) Asymmetry of data
  • (D) Range of values

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Q. What is the purpose of data sampling?

  • (A) To eliminate errors
  • (B) To reduce data size for analysis
  • (C) To clean the data
  • (D) To normalize data

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Q. Which type of analysis helps in discovering patterns in large datasets?

  • (A) Descriptive analysis
  • (B) Diagnostic analysis
  • (C) Exploratory data analysis
  • (D) Prescriptive analysis

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