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Exploratory Data Analysis

This quiz covers the fundamental concepts and techniques used in Exploratory Data Analysis (EDA). Assess your understanding of data exploration, visualization, and statistical measures.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the primary goal of Exploratory Data Analysis (EDA)?

  1. To confirm a hypothesis
  2. To generate a predictive model
  3. To gain insights into data
  4. To perform statistical inference
Question 2 Multiple Choice (Single Answer)

Which of the following is NOT a common EDA technique?

  1. Univariate analysis
  2. Bivariate analysis
  3. Multivariate analysis
  4. Hypothesis testing
Question 3 Multiple Choice (Single Answer)

What type of plot is used to visualize the distribution of a single variable?

  1. Scatter plot
  2. Histogram
  3. Box plot
  4. Pie chart
Question 4 Multiple Choice (Single Answer)

Which measure of central tendency is most sensitive to outliers?

  1. Mean
  2. Median
  3. Mode
  4. Range
Question 5 Multiple Choice (Single Answer)

What is the purpose of a box plot?

  1. To show the distribution of data
  2. To compare multiple groups
  3. To identify outliers
  4. All of the above
Question 6 Multiple Choice (Single Answer)

Which measure of dispersion is used to calculate the average distance between data points and the mean?

  1. Variance
  2. Standard deviation
  3. Range
  4. Interquartile range
Question 7 Multiple Choice (Single Answer)

What is the purpose of a scatter plot?

  1. To show the relationship between two variables
  2. To compare multiple groups
  3. To identify outliers
  4. To visualize the distribution of data
Question 8 Multiple Choice (Single Answer)

Which type of EDA technique is used to summarize the main characteristics of a dataset?

  1. Univariate analysis
  2. Bivariate analysis
  3. Multivariate analysis
  4. Time series analysis
Question 9 Multiple Choice (Single Answer)

What is the purpose of a pie chart?

  1. To show the distribution of data
  2. To compare multiple groups
  3. To identify outliers
  4. To visualize the relationship between two variables
Question 10 Multiple Choice (Single Answer)

Which measure of skewness is used to determine the symmetry of a distribution?

  1. Mean
  2. Median
  3. Mode
  4. Skewness coefficient
Question 11 Multiple Choice (Single Answer)

What is the purpose of a stem-and-leaf plot?

  1. To show the distribution of data
  2. To compare multiple groups
  3. To identify outliers
  4. To visualize the relationship between two variables
Question 12 Multiple Choice (Single Answer)

Which measure of kurtosis is used to determine the peakedness or flatness of a distribution?

  1. Mean
  2. Median
  3. Mode
  4. Kurtosis coefficient
Question 13 Multiple Choice (Single Answer)

What is the purpose of a quantile-quantile (Q-Q) plot?

  1. To show the distribution of data
  2. To compare multiple groups
  3. To identify outliers
  4. To assess the normality of data
Question 14 Multiple Choice (Single Answer)

Which type of EDA technique is used to explore the relationship between multiple variables?

  1. Univariate analysis
  2. Bivariate analysis
  3. Multivariate analysis
  4. Time series analysis
Question 15 Multiple Choice (Single Answer)

What is the purpose of a heatmap?

  1. To show the distribution of data
  2. To compare multiple groups
  3. To identify outliers
  4. To visualize the correlation between variables
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