D204 wgu exam stuvia - Study guides, Class notes & Summaries

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WGU D204 Exam 2023-2024 Questions and Answers 100% correct(SCORED A)
  • WGU D204 Exam 2023-2024 Questions and Answers 100% correct(SCORED A)

  • Exam (elaborations) • 19 pages • 2023
  • What questions will data analytics consider improving 10% market share value to open new store in a different location? a. Get list of geographic areas b. Reduce staff pay by 10% c. Check compatible market value d. None of the above - ANSWER-C Check compatible market value A data set has K variables, and the classifying method has the following steps: compare levels on nearby data, assign a new case to a category of nearby beta, locate the case in a k-dimensional space, in which order sh...
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WGU D204 Exam Questions and Answers
  • WGU D204 Exam Questions and Answers

  • Exam (elaborations) • 19 pages • 2023
  • WGU D204 Exam Questions and Answers WGU D204 Exam Questions and Answers What questions will data analytics consider improving 10% market share value to open new store in a different location? a. Get list of geographic areas b. Reduce staff pay by 10% c. Check compatible market value d. None of the above - ANSWER-C Check compatible market value A data set has K variables, and the classifying method has the following steps: compare levels on nearby data, assign a new case to a category...
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WGU D204 - MW Data Analytics Life Cycle Exam Questions and Answers (100% Correct)
  • WGU D204 - MW Data Analytics Life Cycle Exam Questions and Answers (100% Correct)

  • Exam (elaborations) • 9 pages • 2023
  • Many versions but one proposed in this class: 1) Business Understanding 2) Data Acquisition 3) Data Cleaning 4) Data Exploration 5) Predictive Modeling 6) Data Mining/Machine Learning 7) Reporting and Visualization and loop back at this point - ANSWER-What are the phases of the data analytics life cycle proposed by WGU? This phase is also known as the discovery phase. During this phase, an analyst defines the major questions of interest that need to be answered, understand the needs o...
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WGU D204 Exam 2023-2024 Questions and Answers 100% correct(SCORED A+)
  • WGU D204 Exam 2023-2024 Questions and Answers 100% correct(SCORED A+)

  • Exam (elaborations) • 9 pages • 2023
  • What are the 7 steps of the data analytics journey? - ANSWER-Business Understanding (Discovery Phase) Data Acquisition (Data Collecting) Data Cleaning Data Exploration Predictive Modelling Data Mining Reporting & Visualization Define: discovery phase - ANSWER-Analyst defines the major questions of interest that need to be answered, needs of the stakeholders and assesses the resource constraints of the project Define: data acquisition (data collecting) - ANSWER-Frequently retrieved fr...
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WGU D204 Exam 2023-2024 Questions and Answers (Graded A+)
  • WGU D204 Exam 2023-2024 Questions and Answers (Graded A+)

  • Exam (elaborations) • 9 pages • 2023
  • Business Understanding/ Discovery phase - ANSWER-An analyst defines the major questions of interest that need to be answered, determines the needs of the stakeholders, and assesses the resource constraints of the project. Define project outcomes. Data Acquisition - ANSWER-Collecting data phase. Data is collected and stored, for easy retrieval from a database, perhaps a component of a data warehouse, by using a language like SQL. Web scraping and surveys to acquire data. Data Cleaning - ANS...
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WGU D204 The Data Analytics Journey Exam Questions and Answers 100% Correct(GRADED A+)
  • WGU D204 The Data Analytics Journey Exam Questions and Answers 100% Correct(GRADED A+)

  • Exam (elaborations) • 9 pages • 2023
  • Analyses for Data Science: Descriptive: - ANSWER-Humans are good at finding patterns, but limited bandwidth - so we need to narrow the data. Look at the data. 1) Visualize the data - graphs, histograms, bell curve 2) Compute Univariate Descriptive Statistics: mean (average), mode (most common), median (splits into two equal halves). So ONE Value. 3) Measures of association: connection between the variables in your data. Range: high and low, Quartiles, Variance, Standard Deviation, Correlation...
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D204 WGU Exam 2023-2024 Questions and Answers (Graded A+)
  • D204 WGU Exam 2023-2024 Questions and Answers (Graded A+)

  • Exam (elaborations) • 5 pages • 2023
  • Business Understanding Phase - ANSWER-aka - planning, discovery Scope project Identify stakeholders and research questions/KPIs Identify timeline, budget, and participants Data Acquisition Phase - ANSWER-aka - Extraction, Data gathering, Data query, Data collection, ETL (extract, transform, load), Web scrapping Gather/collect data from a variety of sources Provide structure to data accessible via RDBMS (SQL) Build data pipeline use of API to DL data from external source ...
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WGU D204 Exam 2023-2024 Questions and Answers 100% correct(SCORED A+)
  • WGU D204 Exam 2023-2024 Questions and Answers 100% correct(SCORED A+)

  • Exam (elaborations) • 19 pages • 2024
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  • WGU D204 Exam Questions and Answers 100% correct(SCORED A+) WGU D204 Exam Questions and Answers 100% correct(SCORED A+) WGU D204 Exam Questions and Answers 100% correct(SCORED A+) WGU D204 Exam Questions and Answers 100% correct(SCORED A+) WGU D204 Exam Questions and Answers 100% correct(SCORED A+) WGU D204 Exam Questions and Answers 100% correct(SCORED A+)
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WGU D204 Exam 2023-2024 Questions and Answers (100% Correct)
  • WGU D204 Exam 2023-2024 Questions and Answers (100% Correct)

  • Exam (elaborations) • 9 pages • 2023
  • WGU D204 Exam 2023-2024 Questions and Answers (100% Correct)WGU D204 Exam 2023-2024 Questions and Answers (100% Correct)WGU D204 Exam 2023-2024 Questions and Answers (100% Correct)WGU D204 Exam 2023-2024 Questions and Answers (100% Correct) What are the 7 steps of the data analytics journey? - ANSWER-Business Understanding (Discovery Phase) Data Acquisition (Data Collecting) Data Cleaning Data Exploration Predictive Modelling Data Mining Reporting & Visualization Define: discovery phas...
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WGU D204 The Data Analytics Journey Exam Questions and Answers 100% Correct
  • WGU D204 The Data Analytics Journey Exam Questions and Answers 100% Correct

  • Exam (elaborations) • 9 pages • 2023
  • WGU D204 The Data Analytics Journey Exam Questions and Answers 100% CorrectWGU D204 The Data Analytics Journey Exam Questions and Answers 100% CorrectWGU D204 The Data Analytics Journey Exam Questions and Answers 100% CorrectWGU D204 The Data Analytics Journey Exam Questions and Answers 100% CorrectAnalyses for Data Science: Descriptive: - ANSWER-Humans are good at finding patterns, but limited bandwidth - so we need to narrow the data. Look at the data. 1) Visualize the data - graphs, histogra...
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