NPTEL — National Programme on Technology Enhanced Learning

Lecture 15 : Median

Explains the median through ordered observations and partitioning a distribution. The inspected material compares grouped calculations with R output and demonstrates the treatment of missing entries.

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NPTEL — National Programme on Technology Enhanced Learning Speaker not established foundation Duration unknown

Why it is here

Provides a useful comparison with the mean when a few extreme values could dominate a summary.

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

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1024-byte range from the officially listed MP4, HTTP 206, matching content range and MP4 header. No full playback or decoding; YouTube availability is unknown.

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2026-11-07
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Level basis
Editorial judgement, not an official difficulty label. The inspected account develops ordering and the middle of a distribution from simple examples.
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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.

  1. nptel-download-inventory-d70acff405a6a989

    Official download inventory maps this course and lesson to the MP4 alternative; source title agreement recorded. Retrieved 2026-11-07.

  2. nptel-media-9fbed9074fdea289

    The first 1 KiB of the official source-listed MP4 was accessible with a valid MP4 header. This is not full playback, decoding, watching, or an assurance about every byte. Retrieved 2026-11-07.

  3. nptel-source-67df6a8f200ae6fb

    ordered lecture title and parent-course syllabus; no video viewed or transcript read Retrieved 2026-11-07.

  4. nptel-transcript-111104120-15

    Selected excerpts only: characters 0–1400 in cached extraction; characters 1400–2800 in cached extraction; characters 10434–11834 in cached extraction; characters 19468–20868 in cached extraction. No complete transcript reading or full video viewing claimed. Retrieved 2026-11-07.

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