How to Find the Lower Quartile Q1, upper Quartile Q3 and Interquartile Range from a Frequency Table

Learn how to find the lower quartile, Q1, Upper Quartile, Q3 and Interquartile Range from a Frequency Table.
******* TIME STAMPS / CHAPTERS *******
00:00 Introduction
00:50 Formula for Lower Quartile Q1 (formula for its position)
02:47 What’s Meant by Position of Q1
04:28 Cumulative Frequency Column
05:29 Cumulative Frequency Column With a Twist
07:29 Finding Q1 from its position 11.5
08:26 Formula for Upper Quartile Q3 (formula for its position)
09:45 Finding Q3 from its position 34.5
11:36 Formula for the Interquartile Range (IQR)
12:14 Conclusion

[@aimenn5731]

Thank you for making this channel:)

[@RadfordMathematics]

Thanks for the kind comment!!
Hoping, with time, it’ll help as many people possible 😊

[@khalilsalman7626]

Thank you very very much 💓

[@RadfordMathematics]

Thanks for your comment!
I’m really glad this video helped 😊

[@ayushdebbarma7585]

You sound like James May