Peneraju Wiley Data Analytics Assessment 1. Name: 2. MyKad No. (with "-"): 3. Mobile Number (60XXXXXXXXX): 4. Email Address: 5. What is data analytics?The process of collecting dataThe process of analyzing dataThe process of visualizing dataThe process of building data infrastructure 6. Which of the following is not a part of the data analytics process?Data ingestionData processingData storageData transformation 7. What is data visualization?The process of analyzing dataThe process of building data infrastructureThe process of presenting data in a graphical formatThe process of transforming data into a usable format 8. What is data exploration?The process of cleaning and filtering dataThe process of visualizing dataThe process of building data infrastructureThe process of collecting data 9. Which of the following is an example of data mining?Analyzing data to find patternsStoring data in a data warehouseTransforming data into a usable formatCollecting data from different sources 10. What is predictive modeling?The process of analyzing past data to make predictions about the futureThe process of visualizing dataThe process of building data infrastructureThe process of cleaning and filtering data 11. Which of the following is an example of a descriptive analysis?Analyzing past data to make predictions about the futureVisualizing data to show trends and patternsTransforming data into a usable formatCollecting data from different sources 12. What is a dashboard?A way of presenting data in a graphical formatA tool for analyzing dataA platform for storing dataA framework for modeling data 13. Which of the following is an example of a data analyst?Someone who builds and maintains data infrastructureSomeone who collects and cleans dataSomeone who analyzes and interprets dataSomeone who presents data in a graphical format 14. What is a pivot table?A tool for organizing and summarizing dataA tool for analyzing dataA platform for storing dataA framework for modeling data 15. Which of the following is an example of data cleaning?Collecting data from different sourcesAnalyzing data to find patternsTransforming data into a usable formatRemoving duplicates and correcting errors in data 16. What is data aggregation?The process of combining data from different sourcesThe process of analyzing dataThe process of transforming data into a usable formatThe process of storing data in a data warehouse 17. Which of the following is not a data visualization tool?TableauExcelPythonPower BI 18. What is a correlation analysis?The process of analyzing relationships between two or more variablesThe process of visualizing dataThe process of collecting dataThe process of cleaning and filtering data 19. What is a histogram used for?To visualize the relationship between two variablesTo visualize the distribution of a single variableTo visualize the trend of a time seriesTo visualize the correlation between two variables 20. What is correlation?A measure of the strength and direction of the relationship between two variablesA measure of the spread of a datasetA measure of the central tendency of a datasetA measure of the variability of a dataset 21. What is regression analysis used for?To predict a categorical variableTo predict a continuous variableTo analyze the relationship between two variablesTo analyze the distribution of a variable 22. Which of the following is NOT a part of the data analytics process?Data preparationData modelingData visualizationData management 23. What is the main goal of data analytics?To find patterns and relationships in dataTo store data for later useTo delete unnecessary dataTo encrypt data for security 24. What is machine learning?The process of teaching computers to learn from data without being explicitly programmedThe process of manually analyzing data to find insightsThe process of storing data in a databaseThe process of creating data visualizations Loading...
