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Interquartile range from a cumulative frequency diagram 

Maths Kitchen
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Plenty of practice GCSE questions and lots more here: mathskitchen.com/?...
This video is all about calculating the interquartile range from a cumulative frequency diagram.
Thanks for watching, any questions just leave them in the comments and I'll reply.

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24 мар 2021

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Комментарии : 8   
@user-hd4nu8zd2q
@user-hd4nu8zd2q 15 дней назад
omg thanks so muchh
@mima4287
@mima4287 3 месяца назад
Thank you for this great explanation
@cocogach1408
@cocogach1408 2 года назад
Thanks this helpful but I have a question where did you get 1 and half from to 80 that makes 20?
@MathsKitchen
@MathsKitchen 2 года назад
I got 20 by finding one quarter of 80, in other words I divided it by 4. Not completely sure if that's what you were asking but let me know if not.
@mima4287
@mima4287 3 месяца назад
It's 1/4 that's mean 25% is lower quartile and 3/4 75% it's upper quartile.
@nighteagleeye1103
@nighteagleeye1103 Месяц назад
​@@mima4287yep, you're right.
@sharingan4363
@sharingan4363 Год назад
Sir how do i find cumulative frequency
@kijalijean-marie8183
@kijalijean-marie8183 Год назад
add up all the frequencies
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