Data Analytics Questions and Answers Already Passed

Data Analytics Questions and Answers Already Passed Which type of data analytics focuses on predicting future trends based on historical data? a) Predictive analytics b) Descriptive analytics c) Prescriptive analytics d) Diagnostic analytics What is a common tool used in data analytics for statistical analysis and visualization? a) Microsoft Word b) PowerPoint c) Microsoft Excel d) Adobe Photoshop Which of the following best describes descriptive analytics? a) Analyzing data to understand why something happened b) Summarizing historical data to identify patterns and trends c) Using data to recommend actions to optimize outcomes 2 d) Making predictions about future events What does data cleaning refer to in data analytics? a) Storing data in cloud systems b) The process of removing or correcting inaccurate or irrelevant data c) Collecting data from various sources d) Securing data from unauthorized access What is the role of data visualization in analytics? a) To increase the amount of data collected b) To represent data in graphical formats to help stakeholders understand insights more easily c) To perform complex data calculations d) To automate data entry Which of the following is an example of unstructured data? a) Social media posts b) Customer database 3 c) Transaction records d) Employee details What is the difference between structured and unstructured data? a) Structured data is easier to process and analyze than unstructured data b) Structured data is organized and stored in tables, while unstructured data lacks a predefined format c) Unstructured data is stored in databases, while structured data is stored in files d) There is no difference between them What type of analytics is focused on providing recommendations for future actions? a) Descriptive analytics b) Predictive analytics c) Prescriptive analytics d) Diagnostic analytics Which of the following is a characteristic of big data? a) It can be processed using traditional software tools 4 b) It is always structured data c) It involves large volumes, high velocity, and a variety of data types d) It can only be stored in cloud systems