Data Analysis MCQs with answers Page - 5

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 techniques is used for grouping similar data points together?

  • (A) Regression
  • (B) Classification
  • (C) Clustering
  • (D) Filtering

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Q. What does 'data normalization' typically refer to?

  • (A) Removing duplicate entries
  • (B) Scaling data to a specific range
  • (C) Filling missing values
  • (D) Visualizing data

A

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Q. Which of these is a common format for data files used in analysis?

  • (A) .txt
  • (B) .doc
  • (C) .exe
  • (D) .csv

A

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Q. Which statistical test is used to compare the means of two groups?

  • (A) Chi-square test
  • (B) T-test
  • (C) ANOVA
  • (D) Regression

A

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Q. Which of the following is not a quantitative data type?

  • (A) Integer
  • (B) Float
  • (C) String
  • (D) Double

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Q. What is the role of a pivot table in Excel?

  • (A) To draw charts
  • (B) To clean data
  • (C) To summarize data
  • (D) To import data

A

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Q. Which metric is used to measure how well a model fits the data?

  • (A) Variance
  • (B) Accuracy
  • (C) R-squared
  • (D) Skewness

A

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Q. Which tool is primarily used for interactive data dashboards?

  • (A) Notepad++
  • (B) Tableau
  • (C) Sublime Text
  • (D) MySQL

A

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Q. Which chart is best suited for time-series data?

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

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Q. Which value indicates the most frequently occurring number in a dataset?

  • (A) Mean
  • (B) Mode
  • (C) Median
  • (D) Range

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