NPTEL — National Programme on Technology Enhanced Learning

Lecture 16 : Quantiles

Introduces quantiles, quartiles and percentiles, including the difference between a value and its position in a distribution. The checked R material exposes options for probabilities, calculation type and missing observations.

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Why it is here

Helps interpret percentile statements without confusing rank with the percentage of questions answered correctly.

Selection basis: institutional collection. Reason checked 2026-11-07 by agent.

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2026-11-07
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Level basis
Editorial judgement, not an official difficulty label. The inspected examples start from order and rank and introduce the relevant R options.
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Provenance and reuse

NPTEL — National Programme on Technology Enhanced Learning; original source https://nptel.ac.in/courses/111104120. Link to official source, title, attribution and original atlas annotations. Do not copy source code, rehost video, or copy full course prose into the public export.. Links, factual metadata and original navigation annotations only. No source page, transcript, image, video or restricted platform metadata is included in the reusable export.

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    Selected excerpts only: characters 0–1400 in cached extraction; characters 1400–2800 in cached extraction; characters 13537–14937 in cached extraction; characters 25674–27074 in cached extraction. No complete transcript reading or full video viewing claimed. Retrieved 2026-11-07.

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