Standard deviation and Coefficient of variation

The video explains the concept of standard deviation. It also introduces the Coefficient of variation and explains the usage of this term.

[@kristidavis8983]

I'm taking a class via Harvard Business...this explains it so much better thanks!

[@piyushashah1]

This is probably the best comment I have recd....comparing my work to Harvard's. Thank you very much!!

[@jaymcdonald2996]

You explain this better than anyone at my uni, thanks so much :D

[@artiskful]

Excellent. Straight to the point! Thanks

[@arjunchatterjee9362]

Thank you, very simple and easy to understand. The best use of youtube.

[@percslushee8411]

No lie this is the best video I’ve seen to help me differentiate SD vs CV thank u so much for this

[@kerwinbren]

I am trying to help my girlfriend out with her statistics class, , and asked to help interpret the data.. with your video, I now am able to understand and help out.
Thank you so much.... will let her watch this video too

[@piyushashah1]

Thank you for dropping the comment. Do let me know what your girlfriend feels about the video.

[@brettlacher4159]

Great guide; explained it way better than my college statistics book.

[@piyushashah1]

Am very happy that the video helped you, and thanks a lot for this comment.

[@piccaglijacopo2530]

I have to say I am impressed you speak not to fast but not to slow to loose concentration you are an example
p.s sorry for my writing a part from being dyslexic i am Italian

[@hollyhenderson8917]

Thank you for your presentation as my Modern Business Statistics text book is written in latin , your video speaks with clarity!

[@ritayalda8464]

Such a clear and straight instructions! Thank you.

[@piyushashah1]

Thanks for the comments Rita. Am glad that the videos could help you understand deviation better.

[@sebs-shenanigans]

2019 gents. Med students
still appreciate your input
and your surprisingly nice accent

[@piyushashah1]

Thanks for leaving the comments Saba. Please share the video with other medical students, and am happy that this helped you.

[@sebs-shenanigans]

@@piyushashah1 Pretty sure i will.

[@ritugupta3421]

very easy and precise explanation for sd and cv.

[@vijayrkshetty]

Well explained in shortest possible way , Kudos . Keep up

[@ChelseaGrose]

THANK YOU!!!! You explained both concepts very clearly. I wish my textbook was as clear with the explanation.

[@IsabellaMendes]

Perfect! Very easy to follow Thank you so much!

[@ayannalee8907]

Very good explanation. Thank you.

[@rhoshinisivalingam7505]

Thanks a lot MR. Piyush Shah . It helps a lot for me.

[@stephnielle]

HI! THANKS FOR TEACHING THE CONCEPT OF THESE STATISTICAL TERMS

[@sanjiva78]

Thank you for helping,,, if we have limited data and volume (this would be calls per day ) has lots of deviation, which forecast method you would suggest : Ex" volume for last all Monday's is is 55,59,39,65,57,86,75,60,58,41,45..

[@bitchoflivingblah]

Hi Teach, thanks for the lesson. Easy to understand, why aren't they all like you?

[@piyushashah1]

If they were all like me, I wouldn't have been noticed!! Jokes apart...thanks.

[@vijayvivek5152]

I am glad I came across this video.

[@manishnema9527]

Excellent Presentation...!!

[@jasmith2575]

Very helpful! Great way to present the information so that it's easily understandable.

[@piyushashah1]

Happy that the video helped...and thanks a lot for leaving a comment.

[@seanjohnson2525]

This was very helpful. Thank you Piyush.

[@alaskaagriculture6157]

Thank you so much, helped me understand this for class. Very clear and great examples!

[@samixa7]

Great explanation!

[@sammiller9855]

Nicely Done. Thanks.

[@maheralsayed8195]

Thank you :) really you make easy

[@ravindrakulkarni5769]

excellent explain

[@veeranagoudayaligar]

simple and great explanation.

[@randilynsaenz5524]

This was so helpful I could cry

[@piyushashah1]

Ha ha, hope that you are smiling now as you have mastered the topic.

[@marybanji4534]

hello teacher, thanks for the lesson it understandable and well explanatory

[@christianadriananiceta2753]

this was helpful. tnx

[@virginiajorden623]

Thank you this is very helpful. I need every bit I can get as my formulas are lacking but this was very helpful.

[@MafiHazlinsky1]

Thank you for explaining (y) :)

[@__Diaz__]

Love your work!!

[@piyushashah1]

Thanks a lot Orion . You made my day!!

[@itsmylife8639]

Good job brother.

[@piyushashah1]

Thanks a lot for the comment. Trying to make stuff as simple as I can.

[@itsmylife8639]

Simple things are best things in life Piyush. Keep up the good work.

[@pritiarage7874]

Thank you

[@AbdulRahman-lr5fz]

Thank u sir

[@yeshthummer7256]

Thank you so much ....

[@jandranmarri603]

How did you find standard deviation
In column 8, person 1
🖋

[@senthilvelanshanmugam5756]

Can you please explain how to calculate the Demand variation by using the past month data's of Jan to Dec of Jan to Dec months data

[@ibrahimomoyayi9325]

nice illustration

[@radhikasreedhar9205]

nice..so clear...how to calculate sd from cv?

[@piyushashah1]

Glad you liked it. There is no direct way to calculate the sd from cv.

[@radhikasreedhar9205]

your mail id pls..

[@sureshM-uo7sl]

sir how can i calculate hoRrat value

[@rijal2674]

tq !!!

[@mdmuheeb2297]

limitation of standard deviation and coefficient of variation

[@muhammada723]

plz anyone tell me how to adjust cv value ?? i mean how cv value effected by any data...?
by increasing or decreasing data ??????????
how to adjusted cv value...plzzzhelp me??

[@piyushashah1]

Hi Muhammad, listen to the video from around 2:20 and it should help. And, can you please explain what you mean by 'adjust'? We can calculate the coefficient of variation, and not sure what you mean by adjusting it.

[@smitaparekh8443]

Sir will you provide your contact .. i am a phD student. Pls.

[@piyushashah1]

[e-mail]

[@ambroisevalet]

I find this 2 first minutes pointless as we can do that ourself.

[@shinchiwarrior]

oh my god that was confusing.. and too fast.