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Section checkpoint · 05

Cleaning & Imputation

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 apply the idea taught in “MCAR MAR and MNAR” and explain how its input is transformed into a valid output.

Time Series InterpolationValidate ImputationMCAR MAR and MNARComplete Case Analysis

Question 21 point

Which concept is most appropriate for this situation: You need to understand or repair incomplete observations without silently biasing the analysis.

Time Series InterpolationIterative ImputationSimple ImputationKNN Imputation

Question 31 point

Which concept is most appropriate for this situation: You need to understand or repair incomplete observations without silently biasing the analysis.

KNN ImputationValidate ImputationIterative ImputationComplete Case Analysis

Question 41 point

Which concept is most appropriate for this situation: You need to understand or repair incomplete observations without silently biasing the analysis.

MCAR MAR and MNARSimple ImputationMissing IndicatorsKNN Imputation

Question 51 point

Which concept is most appropriate for this situation: You need to understand or repair incomplete observations without silently biasing the analysis.

KNN ImputationMissing IndicatorsValidate ImputationMCAR MAR and MNAR