Histograms : ExamSolutions

In this video, I show you how to calculate frequency density and draw a histogram from the data.

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[kieranclarke]

thank you for taking the effort to help other people, this helped me understand histograms.

[jonathanjoensen]

this helped alot and is explained well! I was looking for ages for a good explanation cos I couldn't understand this, but I got it now

[meliss]

thank u soo much! i couldnt wrap my head around it all untill i found your videos! BIGG thumbs up!!

[masaniparesh]

Why did you use <d<= here in "Cumulative frequency curves : ExamSolutions" video and not <=d<d like in this example? Thanks.

[sopwin]

you've just saved my Stats GCSE - thanks!

[sociallyanxiousemo]

Thank you so much, I'm doing my GCSEs in 2 years (sounds like a long time, but I have a lot to learn still) and I'm terrible at histogram, thanks for helping me out.

[HemalGangani]

I CANNOT EXPRESS HOW THANKFUL I AM FOR THIS VIDEO IN WORDS. so yeah, thank you xD

[theQQAASSIIMM]

you are a genius thank you really much i looked at other videos and they make out nothing like this. perfect!!!

[rosehathaway]

That makes a lot more sense, thank you. I just have a question. For the first class why is it 0 < d < 9 instead of - 0.5 < d < 9 ? If it is 0 does it make it an exception to the class boundaries rule? So confused. Any replies would help thank you.

[Oemenia]

As a dyslexic student, you are a godsend!

[MCODUK]

Ty a lot! This will help me get a higher grade in GCSE maths :D

[francismsisi]

Thank you for the nice presentation, I can remember for the first time I met in the examination

[tasmia]

SO MANY TO U.NOW I AT LEAST UNDERSTAND WHAT I HAVE TO DO FOR MY HOMEWORK.

[MrSqilz]

is there a video on how yo find the width and height of histograms?

[zaklaytonelliott]

Thank you so much, Ive got all my coursework due in for tomorrow and i completely forgot how to draw histograms! Thanks so much, this was so helpful!

[TheJoelus]

When I was taught this (at 15-16 years of age) we never went into upper and lower bounds. Wondering which way is correct at my level of mathematics

[h.nqv]

In class when working out the class width and in other tutorials why don't they find the lower and upper bound sometimes?

[Aerotissue]

The upper bound of 50 is 50.5, as you know. There isn't a set boundary stopping the ball being thrown that extra .5m - think of it a bit like uncertainty - you can't be certain the distance is exactly 50. At 0 on the other hand he can't throw backwards so it doesn't have a lower bound.

[etn]

Isn't it 9 <d < or equal to 14? I think it's like this in my school 10th grade textbook

[cobra]

thx so much helped me with revision/tests