COMPUTER SCIENCE AND ENGINEERING
MACHINE LEARNING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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News reporting agencies often want to find the public’s opinion on current events. One particular agency is considering two different strategies to collect this data by collecting responses to online surveys. The two strategies are outlined below.Strategy One:1. Uses a database to store all of the survey responses 2. Stores some data as text and some data as numbers 3. Will track extra information about the survey taker that won’t be publicly visibleStrategy Two 1. Uses a single spreadsheet to store all of the survey responses 2. Stores all data as numbers 3. Will not track any information other than the survey responsesWhich of the following statements is the most accurate comparison of these strategies?
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Strategy One will make it easier to sort and filter the data, while Strategy Two will make it easier to graph the data
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Strategy One will cause problems because of the mixed data types, while Strategy Two will make it very easy to find specific data.
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Strategy One will allow the agency to conclude more about the public’s opinion because it tracks extra metadata, while Strategy Two will make it hard to find trends and access particular pieces of the data.
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Strategy One will require less cleaning and manipulation of the data, while Strategy Two will require a significant amount of extra computation to use the data.
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Explanation:
Detailed explanation-1: -Which of the following statements are true about using visualizations to display a dataset? II. Visualizations like graphs, charts, or visualizations with pictures are useful for conveying information, while tables just filled with text are not useful.
Detailed explanation-2: -A data visualization tool that updates in real time and gives multiple outputs is called. a data dashboard.
Detailed explanation-3: -Purpose (the why) Content (the what) Structure (the how) Formatting (everything else)
Detailed explanation-4: -Chartjunk refers to all visual elements in charts and graphs that are not necessary to comprehend the information represented on the graph, or that distract the viewer from this information.
There is 1 question to complete.