Combining Means

A Level Maths revision tutorial video.
For the full list of videos and more revision resources visit www.mathsgenie.co.uk.

[@aurixiaispreppy7454]

thanks a lot, i thought this topic would be really hard to understand, but your video helped me work it out

[@OninabResources]

Hello guys! Get more on combined mean, standard deviation and variance from this link:
th-cam.com/video/tM9cQW97ZkY/w-d-xo.html

[@ryanbiju2647]

weirdo

[@Brandon-zr2je]

thank you!

[@reisamiah462]

wait what this is a level maths? the topic "combined means" and "combined ratios" came up in my revision list and im in year 9. am i watching the wrong video

[@batfnk6861]

This is gcse maths

[@priya200328]

yh its gcse

[@ryanbiju2647]

yh GCSE

[@fefe1179]

Can someone explain why it would be (80x30) and not (0.8x30)?????????

[@Spudpants]

In the context of the question the 80% basically just acts as let’s say 80 marks out of 100. So just a number not an actual percentage :)

[@PeeaaaK]

Are these videos applicable for tis year? I mean they are more than 4 yeas old now.

[@reisamiah462]

so do i just need to know how to work out total

[@elrisistas7227]

is this higher or foundation?

[@marlaschulze3521]

Higher

[@ryanbiju2647]

yh something which isn't in your facility range

[@captainkaizo5854]

its both

[@j4s6er15]

Judaism

[@kikenaround]

Ew

[@shazzac13]

Thank you for this!

[@jenwyllafabianomakilan8665]

Thank youu

[@apekshadeshpande8273]

Best video sir

[@captainkaizo5854]

thanks a lot sir

[@amazingscience9478]

Thnx sir 😄

[@lukebates7354]

Thanks

[@ryanbiju2647]

Borris' with the drip ngl