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URGENT NEED OF HELP ON THIS MATHS QUESTION


asd123
Posts: 58
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(@3422)
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Hi,

Please could somebody help me on part b of this question ASAP.

Thanks

IMG 4668

 

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Zeeshan Ahmed
Posts: 770
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(@zeeshan)
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Joined: 4 years ago

You have to memorise these percentages for box plots

image

Those lines represent "25% of the data", "50% of the data" and "75% of the data"

So the fact that the number "20" in that boxplot is on the Upper quartile, and the question says how many students scored MORE than 20, it means the percentage above 75% (100% - 75% = 25%)

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