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Data Science

Data Sciences Lifecycle

Stages: collection, cleaning, exploration, modelling, evaluation, deployment.

Sample Practice Questions

3 questions shown — tap “Show Answer” to check yours.

1
Easy

The stage where missing values and outliers are handled is:

AData Collection
BData Cleaning
CModelling
DDeployment
2
Medium

Splitting the data into training and testing sets happens in:

AData Collection
BData Cleaning
CModelling
DVisualisation
3
Easy

Which step comes after model evaluation in a typical pipeline?

AData Collection
BData Cleaning
CDeployment
DProblem Definition

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