Ogive, Cumulative Frequency, Quartile and Percentile

How to draw an ogive. How to find cumulative frequency. How to find quartiles and percentiles. Ogives are graphs of cumulative frequency against upper boundary. Practice drawing one with me!
00:00 - Introduction
00:14 - Ogive
00:33 - How to draw an ogive
01:10 - Cumulative frequency
02:28 - Upper boundary
05:01 - Contruction of an ogive
07:35 - Quartiles
09:34 - How to use the ogive to determine the quartiles
Catering for IGCSE and SPM students.
This topic can be found in KSSM Form 5 Mathematics Chapter 7: Measures of Dispersion for Grouped Data
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[@MrRuelTuition]

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[@MrRuelTuition]

You're most welcome. I'm always glad to be of help. 😁

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This explanation was very good and helped me to learn and solve sums.Thanks sir 🙏🙏👏🏻👏🏻Really appreciate.

[@MrRuelTuition]

Thank you very much for the kind words. I'm really glad it was helpful to you!

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[@MrRuelTuition]

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[@MrRuelTuition]

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[@MrRuelTuition]

You're most welcome. 😊

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[@MrRuelTuition]

I hope the test went well for you. 😊

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Thanks sir. Helps me a lot .

[@MrRuelTuition]

Always glad it helps 😊

[@Aneeza-adnan]

Thank you so much

[@MrRuelTuition]

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Thank so much
It really helped me

[@MrRuelTuition]

I'm so glad it helped! You're welcome

[@faizkamirin]

Finally!!! Its solve for my problem 12:05 😭😭 thanks a lot sir

[@MrRuelTuition]

I'm really glad you finally managed to find what you needed. You're most welcome 😊

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Thank you so much!

[@MrRuelTuition]

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[@susankimat]

Nice 👍

[@mudoolamilly]

Best explanation, thanks

[@MrRuelTuition]

You are welcome!

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GOD richly richly bless you.You have made everything simple.

[@MrRuelTuition]

Thank you! And God bless you too 😊

[@WendPlanetmovies]

Thanks a lot, this content has really helped me with estimating quartiles using ogive

[@MrRuelTuition]

You're most welcome 😁

[@noor-oj9he]

Thank u so much for yr work

[@MrRuelTuition]

You're most welcome. Thank you for taking the time to comment. I really appreciate it 😊

[@mahaarun3543]

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[@MrRuelTuition]

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[@MrRuelTuition]

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[@MrRuelTuition]

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Thank you sir

[@MrRuelTuition]

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[@vijedijuliet5449]

wonderful

[@MrRuelTuition]

Thank you!

[@esraozturk324]

thank you so much for this video which is very clear to understand and interactive

[@dannysorap9289]

Oh my god sir we just did this in school and I did not get it thx so much

[@MrRuelTuition]

I hope it's clear now. I will elaborate more on percentiles in a revision video.

[@MCSirShiba]

This is good my brother. Please what's the name of software you used in plotting the graph? I'm Shiba from Nigeria.

[@MrRuelTuition]

Hi Shiba. Thank you. I used Microsoft OneNote.

[@rukevwwedaniel8653]

I appreciate your work. My question is why do some mathematicians use (n + 1)/4 for quartiles and other use just n/4

[@mehwishpirzada5892]

this should be (n×1)/4 not (n+1)/4.

[@rukevwwedaniel8653]

@@mehwishpirzada5892 sorry but I have seen many sources on using n+1 not n. You can check it out

[@rukevwwedaniel8653]

@@mehwishpirzada5892 There are several other sources all over the internet

[@watchmovies4721]

How can I found Q from Ogive..??

[@MrRuelTuition]

Hi did you watch the video? I'm not sure what you're asking.

[@fantatanti1986]

Thanks so much sir

[@MrRuelTuition]

You're most welcome!

[@israrahmadmarwat650]

Thanks sir

[@MrRuelTuition]

You're welcome 😊