Data Principles week 8 part 1

What is the second phase of the Data Analytics Lifecycle as shown in the diagram?

• Discovery

• Data Prep

• Model Planning

• Communicate Results

What does the data science team do during the Data Preparation phase according to the text?

What is the purpose of ETLT as mentioned in the text?

Which of the following is NOT listed as a major task in data preparation according to the outline?

• Data Quality

• Data Cleaning

• Data Integration

• Data Visualization

What is the first topic under the 'OVERVIEW' section in the outline?

• Data Cleaning

• Data Quality

• Data Reduction

• Data Transformation

What is the last topic listed in the outline?

• Data Cleaning

• Data Integration

• Data Reduction

• Data Transformation

What is data quality dependent on according to the provided material?

• The color and size of the data

• The requirements of the intended use

• The age of the data

• The software used to process the data

Which term is synonymous with Data Preparation as mentioned in the material?

• Data Analysis

• Data Wrangling

• Data Presentation

• Data Mining

What does 'Accuracy' in data quality refer to?

• Degree to which the data is trusted by users

• Degree to which the data represents the reality

• Degree to which the data is available at the time it is needed

• Degree to which the data can be easily understood

What does 'Completeness' in data quality imply?

• Degree to which the data is equal within and between datasets

• Degree to which the data is trusted by users

• Degree to which necessary data is available for use

• Degree to which the data can be easily understood