Exploratory Data Analysis Quiz 22

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How well do you know Exploratory Data Analysis (EDA)? This interactive Exploratory Data Analysis Quiz tests your understanding of key EDA concepts, including data distributions, outlier detection, visualization techniques (histograms, box plots, scatter plots), and statistical summaries. Whether you’re a student, data scientist, statistician, or researcher, this exploratory data analysis quiz helps sharpen your skills in uncovering insights from raw data. Let us start with the Online Exploratory Data Analysis Quiz now.

Online Exploratory Data Analysis Quiz with Answers

Online Exploratory Data Analysis Quiz with Answers

1. The number of clusters you derive from your data depends on the distance at which you choose to cut it.

 
 

2. Plots let you summarize the data (usually graphically) and highlight any broad features

 
 

3. K-means clustering will always stop in 3 iterations

 
 

4. Which of the following cliches LEAST captures the essence of dimension reduction?

 
 
 
 

5. What is the purpose of hierarchical clustering?

 
 
 
 

6. When you’re doing hierarchical clustering, there are strict rules that you MUST follow.

 
 

7. Which of the following forms of exploratory data analysis is a statistical comparison of groups of data?

 
 
 
 

8. Which of the following forms of exploratory data analysis generates short summaries about the sample and measures of the data?

 
 
 
 

9. Average linkage uses the maximum distance between points of two clusters as the distance between those clusters.

 
 

10. Which of the following would be an example of variables correlated to one another?

 
 
 

11. Once you decide basics, such as defining a distance metric and linkage method, hierarchical clustering is deterministic.

 
 

12. What do you think is a disadvantage of the Base Plotting System?

 
 
 
 

13. K-means clustering requires you to specify a number of iterations before you begin.

 
 

14. When starting k-means with random centroids, you’ll always end up with the same final clustering.

 
 

15. Which of the following is a principle of analytic graphics?

 
 
 
 
 

16. Which of the following do plots NOT do?

 
 
 
 

17. What is the role of exploratory graphs in data analysis?

 
 
 
 

18. K-means clustering requires you to specify a number of clusters before you begin.

 
 

19. Which of the following would NOT be a good use of analytic graphing?

 
 
 
 

20. Every data set has a single fixed number of clusters.

 
 

Online Exploratory Data Analysis Quiz with Answers

  • Which of the following forms of exploratory data analysis generates short summaries about the sample and measures of the data?
  • Which of the following forms of exploratory data analysis is a statistical comparison of groups of data?
  • Which of the following would NOT be a good use of analytic graphing?
  • Plots let you summarize the data (usually graphically) and highlight any broad features
  • Which of the following do plots NOT do?
  • What do you think is a disadvantage of the Base Plotting System?
  • Which of the following is a principle of analytic graphics?
  • What is the role of exploratory graphs in data analysis?
  • What is the purpose of hierarchical clustering?
  • When you’re doing hierarchical clustering, there are strict rules that you MUST follow.
  • Average linkage uses the maximum distance between points of two clusters as the distance between those clusters.
  • The number of clusters you derive from your data depends on the distance at which you choose to cut it.
  • Once you decide basics, such as defining a distance metric and linkage method, hierarchical clustering is deterministic.
  • K-means clustering requires you to specify a number of clusters before you begin.
  • K-means clustering requires you to specify a number of iterations before you begin.
  • Which of the following would be an example of variables correlated to one another?
  • Every data set has a single fixed number of clusters.
  • K-means clustering will always stop in 3 iterations
  • When starting k-means with random centroids, you’ll always end up with the same final clustering.
  • Which of the following cliches LEAST captures the essence of dimension reduction?

MCQs General Knowledge, R Programming Language

Design of Experiments Assumptions Quiz 10

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Test your expertise with this Design of Experiments Assumptions Quiz! Perfect for students, statisticians, researchers, and DOE professionals. This Design of Experiments Assumptions Quiz covers key concepts like residuals, normality tests, and model validation. Sharpen your skills and validate your knowledge about the design of experiments (DOE). Take the Design of Experiments Assumptions Quiz now!

Design of Experiments Assumptions Quiz with Answers
Please go to Design of Experiments Assumptions Quiz 10 to view the test

Online Design of Experiments Assumptions Quiz with Answers

  • A measure used in statistical analysis that assesses how well a model explains and predicts future outcomes is called
  • In a ——————- $R^2$ is equal to square of Pearson’s correlation
  • The range of coefficient of determination is from:
  • Residuals are estimates of ——————— obtained by subtracting the observed responses from the predicted responses.
  • Residuals as elements of variation unexplained by the ——————.
  • Residual is a form of:
  • The normal probability plot is a graphical technique for assessing ——————–.
  • If the error distribution is normal, the plot will resemble —————-.
  • A normal probability plot is also useful
  • Plot of Residuals in Time Series are useful for:
  • If the spread of residuals is different on two ends of the plot, then non-constant ————— is suspected.
  • Plot of Residuals in Time Series are useful for to detect:
  • Test of Equality of Variances include
  • Bartlett’s test utilizes —————.
  • Bartlett’s test is used to test equality of more than:
  • A Q-Q plot is constructed between —————.
  • Residuals follow normal distribution if residual plot resembles —————–.
  • A Q-Q plot is constructed by plotting sample quantiles vs:
  • Transforming the data in case of violation of assumption require
  • The predicted value versus residual plot should show:

MCQs Sequence and Series Quiz

R Programming Language

MS Excel Visualization Quiz 10

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Explore your MS Excel skills with our MS Excel Visualization Quiz! Test your knowledge of creating, customizing, and interpreting graphs and charts in Excel. Perfect for beginners and advanced users alike, these 20 quizzes will help you master data visualization techniques. Boost your Excel expertise and enhance your data presentation skills today! Let us start with the MS Excel Visualization Quiz now.

MS Excel Visualization Quiz with Answers
Please go to MS Excel Visualization Quiz 10 to view the test

Online MS Excel Visualization Quiz with Answers

  • A chart can only be drawn if we select the labels as well as the data.
  • What is the difference between a column chart and a bar chart?
  • When Excel refers to a clustered column chart, what is the cluster referring to?
  • There is a problem with the chart that has been generated below. What is the problem?
  • To fix the problem that we noted “Year be added as an axis label” and remove Year as a series, what is the best option to choose from the Select Data Source dialog box?
  • To fix the problem that we noted “Year be added as an axis label” and add Year as a label to each cluster, what is the best option to choose from the Select Data Source dialog box?
  • A pie chart is useful when we want to show:
  • For a pie chart to be an effective visualization, the number of categories should be:
  • The key advantage that a doughnut chart has over a pie chart is that:
  • How can we modify the line chart below to adjust the vertical axis to better display the range of the data?
  • What does the R-Square value represent?
  • What will choosing a Polynomial trendline likely do to the R-squared value below?
  • How can we forecast forward into the future using the chart below? Click on the trendline and drag this forward.
  • If we choose Display Equation on Chart, why is this equation useful?
  • Both area charts and line charts are mainly useful for time series data.
  • Which chart from the following list would be useful to visualize both the individual contribution as well as the total contribution to the trend in a time series data set of several categories?
  • Which Excel functionality would allow you to quickly recolor your chart according to a set of preset options?
  • If you apply a theme after you have individually customized one or two series colors, these series will not be reset to fit the theme.
  • When applying a theme, the default setting in Excel is to apply the theme to only the active sheet, and not the entire workbook
  • A scatter chart is essentially an x-variable versus y-variable plot just like in standard mathematics.

Deep Learning Quiz