Exam 17: Data Analytics

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What is also known as outlier analysis and reveals observations or events that are outside a data set's normal behavior?

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Choose from the definitions below the best definition of textual analysis.

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________ is additional movements in the time series data that cannot be explained as a trend or seasonality. A drastic spike in revenue at the end of February due to a large customer order for a one-time event is an example of

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You are presented with a data set of 6 test scores: 47, 46, 46, 44, 43 and 26. What is the average test score?

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There are four widely used categories of data analytics. Choose the best description for predictive analytics.

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What is a popular method of summarizing smaller data sets in Excel?

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The first step in analyzing a data set is learning about its data. Besides discovering patterns, exploration can find unexpected data points. What are these data points called that fall outside the data set's norm?

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Businesses like to use a ________ confidence interval when they perform forecasting.

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Monte Carlo simulation is an important simulation in the business world and can be used in many contexts. Give an example of how Monte Carlo simulation could be used in investment firms?

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What is a popular simulation that predicts the probability of different outcomes in the presence of many random variables?

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Natural language processing (NLP) is a form of textual analysis that gathers, processes, and interprets meaning from human language. Sentiment analysis is a complex and advanced data analytics technique. Give an example of how natural language processing (NLP) could be used with board meeting minutes.

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Geospatial analytics is a technique that gathers, transforms, and visualizes geographic data and imagery, including satellite photographs, Global Positioning System (GPS) coordinates, and more. Give an example of how geospatial analytics could be used in the delivery industry.

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Choose from the definitions below the best definition of sentiment analysis.

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Monte Carlo simulation is an important simulation in the business world and can be used in many contexts. Give an example of how Monte Carlo simulation could be used in personal finances?

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In cluster analysis, the Machine Learning (ML) algorithm finds similarities between the data points to group them together without human intervention. There are many business uses for clustering. Describe an example of clustering in the public health field.

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When you request a ride service to drive you from point A to point B, what type of analytics are you practicing?

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Any part of the business that captures event data is a candidate for process mining. Give an example of how process mining could be used in Information Technology (IT)?

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There are four widely used categories of data analytics. Choose the best description for prescriptive analytics.

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Maeve is a freshman outfielder on the softball team. Her softball coach tells her that the more hours she practices hitting in the batting cage and on the field, the higher her batting average will be during the season. What is the dependent variable?

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The "lower confidence bound" and "upper confidence bound" Are part of what?

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