data science methodology coursera week 1 quiz answers
From Problem to Approach
1. Select the correct statement.
- The first stage of the data science methodology is Data Understanding.
- The first stage of the data science methodology is Business Understanding.
- The first stage of the data science methodology is Modeling.
- The first stage of the data science methodology is Data Collection.
2. The main purpose of the analytic approach is identifying what type of patterns will be needed to address the posed question most effectively.
- True
- False
3. For the case study, a decision tree classification model was used to identify the combination of conditions leading to each patient's outcome.
- True
- False
From Requirements to Collection
4. The Data Requirements stage of the data science methodology involves identifying the necessary data content, formats and sources for initial data collection.
- True
- False
5. Database Administrators determine how to collect and prepare the data.
- True
- False
6. In the Data Collection stage, the data requirements are revised and decisions are made as to whether or not more data is needed.
- True
- False