Nominal, Ordinal, Interval & Ratio Data: Simple Explanation With Examples
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- เผยแพร่เมื่อ 18 มิ.ย. 2024
- Learn about nominal, ordinal, interval and ratio data, also known as the four levels of measurement in statistics. We explain these levels of data in simple terms, starting from the basics of categorical and numerical data types.
Overview: Nominal, Ordinal, Interval & Ratio-Level Data
00:00 Introduction & overview
00:48 The basics: categorical and numerical data
01:06 Examples of categorical data
01:35 Examples of numerical data
02:19 Why do the levels of measurement matter?
03:01 Level 1: Nominal data
03:12 Examples of nominal data
04:30 Level 2: Ordinal data
04:45 Examples of ordinal data
05:39 Level 3: Interval data
06:05 Examples of interval data
07:34 Level 4: Ratio data
07:59 Examples of ratio data
09:03 Recap and summary
10:11 Outro
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To learn more about nominal, ordinal, interval and ratio data, the four levels of measurement, check out the Grad Coach blog at gradcoach.com/blog/
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I am on my way to meet my tutor for research methods in Psyc. I took Stats last semester but for some reason levels of measurement never took root. I just watched your utterly fantastic video, made concise notes, and I now have a working understanding of LOM!! Thank you. ❤🌟Also, I always forgot their order until I realized the concept had the best acronym ever:NOIR
Thanks for that acronym :)
Ditto. I made good notes too!
I am loving these videos! Makes data, stats and quant so much more fun and understandable! Thanks a lot!
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Our pleasure :)
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This was so freaking helpful for my Data analytics grad class. This sounded like foreign in class and now i understand it
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Thanks for your lovely explanation with simple example.
First time watching your video and you easily cleared my doubts
worded in a way that's easy to understand. Thank you
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Thank you :)
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Our pleasure!
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Thank you for this video!
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Amazing explanation.
Very well explain. I wonder if a cheat sheet exists with breakdown examples for all types of data?
I am a person who is getting back to Uni after 16 years for a masters in data analytics. You guys have explained the concepts really well. Thank you.
Great to hear that. Good luck!
@@GradCoachI have a doubt. In interval level data equal spacing between points means difference between consecutive points be same like in arithmetic progression??.....
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Thanks
Very easy to understand with easy and suitable examples .....thnkew very much for such a simple and conversant explanation
It's my pleasure
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Glad it helped!
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Insightful
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You're welcome :)
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Ugh the breakdown at the end. This was art to me. Thank u 🙏
Hehe, thanks!
That was a great overview, thanks!
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Glad to hear that
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Tnxs a lot very helpful and interesting to watch too
You're welcome :)
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Glad it helped :)
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Very understandable.... Thank you
You are very welcome
ohh! i had to watch the video twice first fime i simply forgot to listen what she saying i just seeing her without taking my eye away, oh god she is so adorabloe and nxt time i listened and she explained very simply with simple examples. she is intelligent too🤩
i love the way you break it down even a Prof couldn't do better
Glad to hear that :)
Thank you ma'am
thanks!
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Glad you liked it!
Hello emma, thanks for good explanation on the four levels of measurement in statistics i.e nominal, ordinal, interval and ratio data, keep more coming, then, can you kindly show a video on "clinical research on drug efficacy"
You're welcome. Thanks for the suggestion.
Haw can i use quality data for research wich program can i use for this research
Thank you ❤
You're welcome 😊
Nice !
thanks u made it so easy
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Amazinggggg expanationnnn. Thank you so much! xxx
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Wonderful. thank you
You're welcome :)
Hi I'm From india. I enjoyed the way u taught and got good information.
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Very helpful video
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Wonderful
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Thanks :)
Thanks so much Emma. Quick Q? If I am using a Likert scale which sounds ordinal but has a numerical number attached to each rank, example Strongly Disagree = 1 and Strongly Agree = 6, would this still be ordinal data or is it now numerical data?
Yes. Good luck.
It is going to be ordinal; the reason is; your Likert-scale values are categorical data depending on the type of scale for example (1. very poor 2. poor 3. acceptable 4. good 5. very good) or (1. very likely 2. unlikely 3. Neutral 4. likely 5. very likely). Given the example you sighted, there is a meaningful order in the categories and it is ranked with 1 being strongly disagreed, and 6 strongly agree.
Also, because you're assigning numbers to them (1,2,3,4,5) does not make it numerical. The number assigning is to allow easy analysis of the data because likert scale is mostly qualitative.
Hope this helps..
I observed some researches treating likert scale as interval data...But formally likert scale is ordinal data
❤ wow....
Thank you very much. I appreciate your wonderful service. I wish that I could directly(phone or email) consult you.
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You're welcome
Hi, can I ask, for true and false questions, it should be categorized as nominal or ordinal?
Nominal
Which one of the following is true about ordinal data
Good
Thanks :)
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Smart
Thanks
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You're welcome :)
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Custom Grad Coach swag ;)
what if we deal about the rank on previous grade, doesn't it deal about numerical
I'm not 100% sure what you're asking, but chances are rank data would be ordinal.
I could not believe the video lasted up to 10 minutes
😊 1:43