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Trava [24]
3 years ago
14

Please can I have some help with this histogram question

Mathematics
1 answer:
sergeinik [125]3 years ago
6 0

Answer:

Median = 116.

First quartile = 102.

Step-by-step explanation:

There is a total of 280 scores so the median will be the 140th score.

The first box gives 26 , second 34 = 60

The 3rd box contains 100  giving a total of 160 so the median lies in this third box.

140 - 26 - 34 = 80..

That gives a value of 80 / 5 = 16.

The median is  100 + 16 = 116.

The lower quartile is the 70th score

26 + 34 + 10 = 70.

So it is 100 + 10/5 = 102.

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