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CMA Intermediate · Financial Management and Business Data Analytics · Introduction to Data Science for Business Decision-making

A firm's data set has 2,000,000 records arriving every minute from sensors, in text, images and numbers, with doubtful accuracy. Which set of the '3 Vs plus' characteristics of big data does this best illustrate?

The data shows Volume (millions of records), Velocity (arriving every minute), Variety (text, images and numbers) and Veracity concerns (doubtful accuracy). Together these are the core big data characteristics, so describing it as volume only would ignore the other three features present.

  1. AVolume, Velocity, Variety and Veracity concernsCorrect
  2. BValue only, since the data is costly
  3. CValidity and Vision only
  4. DVolume only, since variety and speed do not matter

Explanation

Two million records is high volume. Arrival every minute is velocity. Text, images and numbers are variety. Doubtful accuracy is a veracity issue. Hence all four characteristics are present, not volume alone.

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