Edexcel AS Level Maths: 2.3 Measures of Spread

[@EliasKhurram]

my method to find the percentiles which is much quicker is just -
- decimal equivalent of percentile x total frequency,
-minus the frequency of each group until you can't minus it without it becoming negative
- divide the left over number you have by the frequency of that group
- multiply it by the groups range
- add it to the lower frequency of that group
and I can get it done in like 20 seconds, I find it better than using the difference assuming that the distribution is identical

[@havesabrpatience518]

can you explain more its not working

[@icy3203]

thank you so much sir i could no do it with out you ♥♥♥♥♥

[@dfszf4743]

Great video - thanks sir

[@adrienmasoka171]

thanks sir

[@DpsEagle]

MOMENTS VID PLS

[@mosty.29]

thanks

[@A1.SoMoSa]

couldnt u of found p32 (66-34) and gotten the same answer with half thw working out

[@Pauley-Butter]

#calc

[@Noku332]

Thanks