Watch with the original provider
Choose a player when you are ready. Nothing plays automatically.
Loading a player sends your IP address and browser information to that provider; playback may involve cookies, advertising and further data collection. Privacy and provider terms
Why it is here
Encourages readers to check weights, missingness and the number of observations behind a reported average.
Source and access
Open the original institutional or discovery page ↗
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.
- Access evidence
- accessible · official media range
- Checked
- 2026-11-07
- Full playback observed
- No
- Uploaded
- Unknown
- Originally recorded
- Unknown
- Language
- Unknown
- Level basis
- Editorial judgement, not an official difficulty label. The checked explanation introduces averages through arithmetic and concrete R examples.
- Transcript
- Read at source ↗
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.
- nptel-download-inventory-d70acff405a6a989
Official download inventory maps this course and lesson to the MP4 alternative; source title agreement recorded. Retrieved 2026-11-07.
- nptel-media-4158b39635101b04
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.
- nptel-source-67df6a8f200ae6fb
ordered lecture title and parent-course syllabus; no video viewed or transcript read Retrieved 2026-11-07.
- nptel-transcript-111104120-14
Selected excerpts only: segment 0 (header) first 1400 characters; segment 1 (( 2: 58) first 953 characters; segment 13 (( 16: 35) first 537 characters; segment 24 (( 28: 45) first 1021 characters. No complete transcript reading or full video viewing claimed. Retrieved 2026-11-07.