How to Calculate Standard Deviation & Variance of Ungrouped Data? | Variance Standard Deviation

[@katikireddymadhavidevi4572]

Great teacher mam🎉🎉🎉

[@EnjoyMath]

@@katikireddymadhavidevi4572 thank you so much for the wonderful comment!! Really means a lot!! 😊😊👍👍👍

[@SpyHacker-u7p]

Variance=27.428 Standard deviation= 5.237

[@EnjoyMath]

That's the correct answer!! Great going!! 👏👏👏👏👏👏

[@SpyHacker-u7p]

@@EnjoyMath thankyou ❤️

[@hassanwaleed8433]

3.71 for ungrouped example

[@EnjoyMath]

Absolutely correct!! Great job !!👏👏👏👏👏

[@LovelyIcedSoda-si7pw]

Variance 28.75 SD5.34

[@EnjoyMath]

Almost correct!! Good job...👍👍 Mean = 28 (xi- mean)²=192 Variance= 192/7= 27.4286 SD= 5.2372 Pls check and let me know...

[@makkashivani7448]

sigma ans is (27.428) and standard dev is (5.2371

[@EnjoyMath]

@@makkashivani7448 excellent!! Correct answer!! 👏👏👏👏👏👏

[@Rwr894]

Mam please 9th ko pdhaiye

[@EnjoyMath]

channel ka scope abhi 10th,11 th,12th hai, 9 th ka bhi start karun toh channel ka content too diverse ho jayega...phir mujhe Naya channel hi start karna padega ..I will think about it....but thank you so very much for your support 🙏🙏🙏

[@jyotitiwari1188]

Answer = 1.73 Is that correct???

[@EnjoyMath]

Nice try,but that's not the correct answer....what is the value of Sigma(xi-mean)² that you got?

[@mkenyahalisi9347]

The answer is 14.76

[@EnjoyMath]

Hello, good try...but not correct answer...what is the value of Sigma(xi-mean)² that you got?