Find the Mean, Variance, & Standard Deviation of Frequency Grouped Data Table| Step-by-Step Tutorial

[@sulthansk6444]

Crystal clear & nice explanation Thanks for the video...

[@PreMath]

Glad to hear that Sulthan! I'm sure you are a brilliant and bright student 👍 I'm glad you liked it! Please keep sharing my channel with your family and friends. Take care dear and all the best😃

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I love the clear step by step teaching and writing what you say down instead I'd just saying "now we do this" and skip writing it. Thank you so much

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[@PreMath]

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Yeah bro, the question is of freaking 6 marks, and it's worth practicing..!

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Absolutely fantastic! I've been trying to work out the standard deviation with my son for his maths assignment. This has helped me immensly! Thank you!

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yes

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Oh my god...after lots of searching I found your awesome mind-blowing video....actually tommorow is my exam of maths class 11th and these topic is somewhat clear but now you make crystal clear. ...thanks❤

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Thanks!

[@PreMath]

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I recommend the best❤ explanation in my life that I've came across.Clearly explained , step by step calculation and need more of such videos 🙏🙏 Great job🙏 keep up the good work 👍

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Brilliantly explained, saved me from failing an exam. Literally Studying alone for exams and this guy, goat 🐐 ❤️

[@PreMath]

Glad it helped!

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This is literally better, than what instructions my modules give.

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Thank you very much 🙏 ur explanation is so clear. I've fail many of questions under This topic in my exams but I will definitely get it correct in the up coming exam . Love your tutorial. Sending love all the way from Papua new guinea 🇵🇬

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This is the best Stat calculations video i've seen on youtube, dammmnnnn! Thankx bro

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Thank you! This was most simple for a non- mathematical person like me! Bless you!!

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Excellent Presentation in most Elaborative but simple way...Thanks a lot...Regards ....

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This is self explanatory after watching this,kudos to u

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Because of this pandemic our school system has change from face to face class to Printed Modular and i couldn't understand the module so i search here in youtube and i am grateful that i finally understood.

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This was so clear and amazing , thank you so much!

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Fantastic Teacher! I learn in 10 min. what would take days to learn from a textbook. Thank you!

[@PreMath]

Glad it was helpful!

[@amostali1808]

wow! It took me almost 2 hours in class with my teacher to learn this concept with difficulties, but with your model example this took me 5 minutes to understand.Bravo

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Thank you for going through this and showing enthusiasm for it. As a student with learning disabilities, I find this patient approach much easier to follow than the professor's teaching style at my community college. God bless you, sir.

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Thank you very much for the thorough and clear explanation! Now I only need to practice it night and day...

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Life saver! Love your tutorial! Thank you so much.

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Excellent. Explainef without much jargon and in a simple and lucid way. Doing is what is teaching.👏👏👏

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Aah you are a life saver such a slow n best way to teach...... Thanks

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This presentation should have have taken many likes.

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you have just got yourself a new subscriber!!

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Very insightful. Thanks so much. At least I have some knowledge for my exam that starts in 15 minutes!!

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Thank you, Professor. Greetings from Maryland

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Thanks you so much I will make it tomorrow in my exams 😊😊

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I have an exam today😅

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What kind of exam do you need help

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Same

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I am so happy I found this video I was struggling my professor talks so fast and I just couldn't understand what she meant but this helped. Thank you !!!

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[@PreMath]

So nice of you Fatoumatta! I'm sure you are an awesome student 👍 I'm glad you liked it! Please keep sharing my channel with your family and friends. Take care dear and all the best😃

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I have an exams today and I get very help from this video Thank you sir ❤

[@mdsarwar2819]

Very simply and understandable tutorial. Many thanks for this

[@dhesireeurbina8894]

Thanks so much for this!! How about finding the median and mode from this example too?

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Very much Thank you For your video 👏👏👏👏👏😊😊😊😊😊😃 I really understood this topic now, more clearly. Stay Safe Take care Keep smiling😊😊 Have a great day ahead🤗🤗🤗

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You are very welcome Priyanka! Thanks again for your continued love and support. Take care dear and stay blessed. Keep smiling😃

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Man, you even better than my teacher.

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U saved me so much haki thanks so much teacher am going to sit for a Biostatistics CAT at 1pm

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It finally clicked. Thank you!!

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Sir, its a my syllabus of my engineering, very nice explained you👍🏻

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Best explanation, really neat and it's worth watching and learning 🎉

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Thank you for your clear teaching

[@elyseledezma3707]

Thank you so much!Omg,Finally i got the real steps in how to get the mean and Standard Deviation😭

[@YetsTechHub256-gj1is]

you've made my evening thank you so much

[@germouk1473]

Thanks for the video but why do we subtract 1 from the frequency?

[@MDZzzzz]

Thanks, great way to even compare a manual way of calculating STEV to the excel STDEV Formula.

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You're doing greater than my teacher

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This is really good. the video has been able to help me analysis a statistical report.

[@janewanjohi1949]

Thanks so much am from Kenya and I've understood completely.

[@youngzeba8598]

Why is the summation of f subtracted by 1 for the formula of variance

[@jasjames5898]

Thank you so much, this was very clear and not confusing

[@owilimildred3312]

When do you use this formula where the denominator is summation of f-1 and when do you use the other one where denominator is just summation of f?

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You explained it very well. Great!! Thanks a lot

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Hlo Sr why did u take it as sample N when to use sample/population formula

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[@PreMath]

Glad it was helpful!

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how do you calculate the quartiles,deciles and percentiles?

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