FREE NTN Data Analytics Questions and Answers
In data analytics, what does the term "data cleaning" refer to?
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Data cleaning involves identifying and correcting (or removing) inaccuracies and inconsistencies in data to improve data quality.
Which of the following is a common method for visualizing data in data analytics?
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Bar charts are a common visualization tool used in data analytics to represent data visually, making it easier to interpret.
What is a "data warehouse"?
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A data warehouse is a centralized repository that stores large amounts of data from multiple sources, optimized for query and analysis.
What is the primary purpose of data analytics in testing networks?
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Data analytics is used to examine test results and other related data to make informed decisions and improve testing processes.
Which statistical measure is used to describe the central value of a dataset?
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The mean is the average of all values in a dataset and is commonly used to represent the central tendency.