Edexcel AS Level Maths: 2.4 Variance and Standard Deviation

Pearson A level maths applied year 1 textbook (2.4)
In this video I cover:
1. Variance
2. Standard deviation
3. Finding the variance and standard deviation
4. Finding the variance and standard deviation from raw data
5. Finding the variance and standard deviation from a frequency table
If you found the video useful, please support the channel 👇🏻
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[@OscarHobson]

Our school just threw completed notes and photocopies of the textbook at us, learnt nothing never have liked stats because of it this year

[@Hassan047]

At least you got notes 😅😅 Didn't even get that

[@dansolo62.]

This was REALLY helpful, this has really help me understand it, now its not just plugging numbers. Thanks!!

[@yevazainchkovska4960]

Hello Zeeshan, thanks a lot for this video, it was very helpful!!!

[@joshuamanalang9334]

Hey Zeeshan, I really appreciate your effort in these videos. WIll you be doing chapter 3 of Year 2 anytime soon?

[@yktime8074]

such a useful video thank you

[@me-om1zg]

Very helpful thank you

[@mohammedtariq2464]

Very nice 👌👍

[@oliispyder]

Could you cover chapter 7 hypothesis testing for stats please? No worries if not man you do this amazing work for free

[@alfonsomauro6434]

Would you consider teaching further maths?

[@user-vq4qy2hq5i]

Does the frequency column not just stay permanently after doing shift, menu, 3?

[@shanaya5162]

Hey Zeeshan, Could u pls consider doing a level mechanics videos as well??

[@zeeshanzamurred9280]

Hi Shanaya. I’ve done year 2 mechanics videos. Now I’ll be working on year 1 mechanics videos.

[@ilovecats9052]

How to calculate midpoint

[@greenpenguin3154]

Median = (number of values + 1) / 2

[@mano8783]

Hi