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Subjects / LC Computer Science / Strand 3: Computer science in practice (applied learning tasks)

ALT 2: Analytics

Collecting, cleaning, analysing and visualising data to answer a question.

5th Year HigherOrdinary
Helps to know first: Data, databases and analytics
15practice questions

Fill the gaps: 1 · Multiple choice: 7 · Select all that apply: 1 · Numeric answer: 4 · Put in order: 1 · Written answer (self/teacher assessed): 1

Each question has up to three hints, a worked explanation, and is tracked in your progress and review plan.

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Multiple choice
A survey dataset has duplicate rows, blank answers and ages typed as words. Which stage of a data analytics project deals with these problems?
Choose one answer
Hint 1

This stage happens before any analysis.

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