Home›Courses›Data Analytics›Section test

Section checkpoint · 04

Reading & Understanding Data

Use this short test to check whether the main ideas from the section are connected in your mind. A strong score means you can recognise the concepts; revisit linked lessons when an answer feels uncertain.

5questionsTarget: 4/5 or better

Question 11 point

Which concept is most appropriate for this situation: You need to read or write comma-separated tabular data.

Descriptive StatisticsNumeric vs Categorical VariablesCSV JSON and Tabular File FormatsDates and Text Fields

Question 21 point

Which concept is most appropriate for this situation: You need evidence about which features influenced model behaviour globally or for an individual prediction.

Numeric vs Categorical VariablesDates and Text FieldsInspect Shape Head and DtypesCSV JSON and Tabular File Formats

Question 31 point

Which concept is most appropriate for this situation: You need fast key-to-value lookup, named fields, or counting by category without relying on positional indexes.

Numeric vs Categorical VariablesCSV JSON and Tabular File FormatsDescriptive StatisticsSchema and Data Dictionary

Question 41 point

Which concept is most appropriate for this situation: You need to represent, inspect or transform textual values rather than numeric quantities.

Inspect Shape Head and DtypesSchema and Data DictionaryDates and Text FieldsCSV JSON and Tabular File Formats

Question 51 point

Which concept is most appropriate for this situation: You need to apply the idea taught in “Descriptive Statistics” and explain how its input is transformed into a valid output.

CSV JSON and Tabular File FormatsDescriptive StatisticsNumeric vs Categorical VariablesDates and Text Fields