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Module 1 · Data Basics Module contents
Module 1  ·  Card 5 / 14beginner

Data Literacy

Data literacy means being able to interpret, question, and communicate information presented as data.

It helps non-technical team members examine reports critically rather than accepting summaries on trust.

For example, a literate manager asks whether a reported sales increase was driven by one unusual order.

It requires understanding summary measures like averages, spotting misleading charts, and knowing data limits.

Sound literacy prevents teams from making poor decisions based on misinterpreted figures.

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Module 01 · Data Basics · 14 concepts
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Data Literacy, in more detail

Organisations invest heavily in analytics tools, yet decisions often remain driven by gut instinct.

Data literacy bridges the divide between technical analysts and operational decision makers.

It does not require everyone to become a software programmer or professional mathematician.

It means being able to interpret common charts, summary tables, and statistical statements correctly.

A data literate person understands the difference between absolute change and percentage change.

They recognise when an average is distorted by extreme outliers and ask for the median instead.

They check whether a sample is representative of the whole population before drawing broad conclusions.

They inspect chart axes to ensure zero baselines have not been manipulated to exaggerate trends.

Equally, they know how to communicate their own domain knowledge back to technical teams.

Without data literacy, teams either reject numerical evidence or place misplaced faith in flawed dashboards.

Blind trust in automated reports leads to damaging mistakes when the underlying data is flawed.

Scepticism without literacy leads to dismissing sound evidence that contradicts individual preferences.

Fostering data literacy requires accessible documentation and an open culture of constructive questioning.

When literacy spreads across an organisation, discussions shift from arguing about facts to evaluating trade-offs.

It turns data from an intimidating technical asset into a shared everyday language.

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Test yourself

One question on this card. Every option explains itself once you pick, right or wrong.

Question 1
Which action best reflects sound data literacy when reviewing an executive dashboard?
Data Basics

14 concepts in this module, then a graded test with every answer explained.

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