Business Analytics Overview Knowledge Check Quiz 1 Questions & Answers

Gigabyte - ANSWERS-1024 megabytes Terabyte - ANSWERS-1024 gigabytes Petabyte - ANSWERS-1024 terabytes Exabyte - ANSWERS-1024 petabytes Zettabyte - ANSWERS-1024 exabytes Business Intelligence (BI) - ANSWERSLooking back at what happened and how it happened. Business Analytics (BA) - ANSWERSDeals with the why's of what happened and intends to try and make predictions of what might happen. Data Aggregation - ANSWERSPrior to analysis, data must first be gathered, organized, and filtered, either through volunteered data or transactional records. Data Cleansing - ANSWERSThe process of detecting and correcting (or removing) corrupt or inaccurate records from a record set, table, or database and refers to identifying incomplete, incorrect, inaccurate or irrelevant parts of the data and then replacing, modifying, or deleting the dirty or coarse data. Data Granularity - ANSWERSThe level of detail considered in a model or represented in an analysis. The greater the granularity, the deeper the level of detail. Data Mining - ANSWERSFor business analytics sorts through large datasets using databases, statistics, and machine learning to identify trends and establish relationships. Text Mining - ANSWERSExplores and organizes large, unstructured text datasets for the purpose of qualitative and quantitative analysis. Data Visualization - ANSWERSProvides visual representations such as charts and graphs for easy and quick data analysis. Descriptive Analytics - ANSWERSTechniques that describe past performance and history. -Example: Creating a report that includes charts and graphs that explains data. Predictive Analytics - ANSWERSTechniques that extract information from data and use it to predict future trends and identify behavioral patterns. -Example: Using past sales data to predict future sales data