NPTEL — National Programme on Technology Enhanced Learning

Lecture 07 : Variables and Types of Data

Explains types of variables and data using examples such as clothing sizes and prices. The inspected passages also distinguish sources of data, including surveys and primary and secondary collection.

Watch with the original provider

Choose a player when you are ready. Nothing plays automatically.

Watch at source ↗

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

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

Why it is here

A practical first step for deciding what a behavioural measure records and which summaries are meaningful.

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

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 examples introduce the vocabulary of variables, categories and numerical measurements.
Transcript
Read at source ↗

See the parent course →

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-9b0d7b906fa961db

    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-111104120-07

    Selected excerpts only: segment 0 (header) first 163 characters; segment 1 (00:19) first 555 characters; segment 13 (15:25) first 1400 characters; segment 24 (34:24) first 1352 characters. No complete transcript reading or full video viewing claimed. Retrieved 2026-11-07.

Add to a playlist