woosat What is the primary objective of “data anonymization” in data ethics and privacy? A. To increase data accessibilityB. To protect sensitive informationC. To improve data qualityD. To reduce data volume In data science, what does “consent withdrawal” mean in the context of data collection? A. Collecting data without permissionB. Allowing data to be sharedC. Revoking … Read more
What is the primary goal of “customer churn prediction” in business analytics? A. Retaining existing customersB. Maximizing computational complexityC. Minimizing data storage costsD. Extracting actionable insights In data science, what is “data visualization” used for in business analytics? A. Collecting data from various sourcesB. Displaying data in graphical formC. Identifying patterns in dataD. Calculating data … Read more
Which data manipulation library in Python is commonly used for handling tabular data and data cleaning tasks? A. PandasB. MatplotlibC. NumPyD. Scikit-learn What tool is commonly used for distributed data processing and large-scale data analysis in data science? A. Apache HadoopB. Jupyter NotebookC. GitD. MySQL What is the primary role of “Matplotlib” in data science? … Read more
Which type of chart is commonly used to represent hierarchical data with rectangular blocks? A. Scatter plotB. Bar chartC. TreemapD. Heatmap What does the term “data-driven storytelling” mean in the context of data visualization and reporting? A. Using data to enhance the narrativeB. Telling stories without dataC. Adding chartjunkD. Ignoring data visualization In a line … Read more
What is the primary purpose of the “problem statement” in a data science capstone project? A. Provide a literature reviewB. Define the project scopeC. Choose the programming languageD. None of the above Why is it important to define clear success criteria for a data science capstone project? A. To write a longer project reportB. To … Read more
What technology involves the use of machine learning algorithms to improve the efficiency of supply chain operations? A. Augmented reality (AR)B. Supply Chain AnalyticsC. Edge computingD. None of the above Which emerging trend in data science is related to the use of AI-driven chatbots and virtual assistants for customer support? A. Internet of Things (IoT)B. … Read more
Which Python library is commonly used for data exploration and data cleaning tasks, providing interactive and user-friendly interfaces? A. PandasB. Jupyter NotebookC. SeabornD. None of the above In Pandas, which method is used to sort a DataFrame by the values in one or more columns in ascending or descending order? A. apply()B. pivot_table()C. sort_values()D. filter() … Read more
In which year was the Commercial Broadcasting Service of AIR was introduced? A. In 1966B. In 1965C. In 1967D. In 1968 The Second Press Commission of India recommended the removal of Section 5 of the . . . . . . . . A. Press Council Act, 1978B. Official Secrets Act, 1923C. Contempt of Courts … Read more
Development communication refers to . . . . . . . . programmes on issues related to development. A. speaking onlyB. writing onlyC. producing onlyD. all of these According to which theory of media “the media area means of mental production of the ideology”? A. Soviet Media TheoryB. Social Responsibility TheoryC. Authoritarian TheoryD. Libertarian Theory … Read more
The presence of an editor for editing in electronic media comes in . . . . . . . . A. the decision making phaseB. recording stageC. preview stageD. final operational stage What is RO? A. Reverse Off: convert the recto into verso and vice versaB. Run On: let the line or paragraph continue along … Read more