Exam Professional Machine Learning Engineer topic 1 question 146 discussion - ExamTopics


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Problem Description

A manufacturing company's data science team needs to analyze hundreds of millions of sales records for exploratory data analysis. This involves calculating descriptive statistics (mean, median, mode), conducting complex statistical tests, and visualizing data over time. The goal is to use as much data as possible while minimizing computational resources.

Options and Suggested Solution

  • Option A: Visualize in Google Data Studio, import into Vertex AI Workbench for calculations and analyses.
  • Option B: Use a Vertex AI Workbench instance for all statistical and visual analyses.
  • Option C: Use BigQuery for descriptive statistics and Vertex AI Workbench for visualization and further analyses (Suggested Answer).
  • Option D: Use BigQuery for descriptive statistics, Google Data Studio for visualization, and Vertex AI Workbench for complex analyses.

The suggested answer is C, leveraging BigQuery's scalability for calculations and Vertex AI Workbench for visualization and more computationally intensive analyses.

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You work on the data science team at a manufacturing company. You are reviewing the company’s historical sales data, which has hundreds of millions of records. For your exploratory data analysis, you need to calculate descriptive statistics such as mean, median, and mode; conduct complex statistical tests for hypothesis testing; and plot variations of the features over time. You want to use as much of the sales data as possible in your analyses while minimizing computational resources. What should you do?

  • A. Visualize the time plots in Google Data Studio. Import the dataset into Vertex Al Workbench user-managed notebooks. Use this data to calculate the descriptive statistics and run the statistical analyses.
  • B. Spin up a Vertex Al Workbench user-managed notebooks instance and import the dataset. Use this data to create statistical and visual analyses.
  • C. Use BigQuery to calculate the descriptive statistics. Use Vertex Al Workbench user-managed notebooks to visualize the time plots and run the statistical analyses.
  • D. Use BigQuery to calculate the descriptive statistics, and use Google Data Studio to visualize the time plots. Use Vertex Al Workbench user-managed notebooks to run the statistical analyses.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️

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