maths statistics- histograms
hey can anyone help with this question its question 1a about histogram area?
https://pmt.physicsandmathstutor.com/download/Maths/A-level/Papers/Edexcel/Paper-3/QP/Specimen%20QP.pdf
https://pmt.physicsandmathstutor.com/download/Maths/A-level/Papers/Edexcel/Paper-3/QP/Specimen%20QP.pdf
Original post by user493
hey can anyone help with this question its question 1a about histogram area?
https://pmt.physicsandmathstutor.com/download/Maths/A-level/Papers/Edexcel/Paper-3/QP/Specimen%20QP.pdf
https://pmt.physicsandmathstutor.com/download/Maths/A-level/Papers/Edexcel/Paper-3/QP/Specimen%20QP.pdf
So you jnow the area and the frequency that represents. Go from there ...
how do I know length and width tho?
Original post by Muttley79
So you jnow the area and the frequency that represents. Go from there ...
Original post by user493
how do I know length and width tho?
They are stated in the question
they're stated in the question for one set but you have to work it out for the other
Original post by Muttley79
They are stated in the question
Original post by user493
they're stated in the question for one set but you have to work it out for the other
Yes so you have the area don't you and can work out the area needed for the other group.
The width for 245 ≤ w < 248 is 1.2 cm so what will the width for 255 ≤ w < 260 be?
I don't know?
Original post by Muttley79
Yes so you have the area don't you and can work out the area needed for the other group.
The width for 245 ≤ w < 248 is 1.2 cm so what will the width for 255 ≤ w < 260 be?
The width for 245 ≤ w < 248 is 1.2 cm so what will the width for 255 ≤ w < 260 be?
Original post by user493
I don't know?
I can't do the question for you; it's against the rules. Can you find an example in your textbook?
Anything here: https://www.drfrostmaths.com/courses.php?cuid=753
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