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Chapter 5 of 8

Data Science

The Data Science Life Cycle (DSLC), how Bar, Pie, and Line charts compare, the difference between DBMS and SQL, and writing SQL queries.

DSLC StepsBar / Pie / Line ChartsDBMS vs SQLSQL QueriesData VisualizationData Collection

Multiple Choice Questions

10 MCQs — select an option to see if you got it right

1What comes first in the Data Science Life Cycle (DSLC)?

2Which method works best for gathering opinions from many students?

3What does "bias" mean in data?

4Which tool suits beginners best for creating charts?

5A relational database organizes information in the form of:

6Which chart works best for comparing groups?

7What is the main aim of analyzing data?

8Which of these tools is an advanced data visualization platform?

9What should happen before data is stored?

10Which of these is an example of a data source?

Short Questions with Answers

8 short-answer questions

Long Questions with Answers

4 in-depth answers

Important Questions

4 high-priority questions for revision