Using short-cut method, calculate standard deviation of the following series:

[@mahima68]

It's totally wrong. You need to divide m-A by the difference between the intervals which is 2. Therefore, the derivation will be m-A/2.

[@tacnopsgaming9137]

yeah he totally forgot about class interval

[@nayanjyoti6027]

Not wrong at a all

[@spygaming4069]

Where is the C.I class interval😅😅😅😅

[@radhaswami8888]

Nice ache se samjhaya thanku

[@umangsharmaa]

Thanks for this spectacular video:)👏🏻

[@Doubtnut]

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[@umangsharmaa]

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[@GAMING.EXE.22]

F.dx sq you should have squared fdx and you are multiplying f and dxsq

[@ghazilovers1461]

Hey sir thanks ❤️❤️

[@lolhedgamerz9736]

Shukriya sir 🥲

[@montyboss5168]

Thx sar

[@KUMARFSIZANOFFICIALS]

Ap ko yai 2.25 kaisai aaya sir

[@UnknownPerson-cl9di]

Me here PCMB 😃

[@pardippoudel6723]

It's wrong lol