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more trouble with math

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A  Cole

A  Cole

Posts: 12,824Opal Posts by user Forum Profile RuneMetrics Profile
The following calculations use the numbers you have provided.

Start with 100% of the youth population.

Split this into two sets: Those who are ill (25%), and those who are not (75%).

Now take the "ill" set. Of these, 22% are getting treatment, and 78% are not.

Therefore, 22% of 25% of 100% = 5.5% of the youth population are receiving treatment.

78% of 25% of 100% = 19.5% of the youth population are not receiving treatment, but may require it.

The remaining 75%, as mentioned, are not ill, therefore do not require treatment.

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I don't know where you got that 112% from. If you're trying to add 25% to 78%, then you'd come to 102%.

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Here's another example.

Start with 100% of the whole population who are ill.

Split this into two sets: Those who started being ill before the age of 18 (75%), and those who started being ill after the age of 18 (25%).

This is all we can say based on the numbers given. There is no link between these numbers and people stopping their treatment at the age of 18. In fact, there's nothing here to say anybody's getting any treatment at all. It simply states the point in life when these people become ill.

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I hope this clears up the maths for you. Based on the information you've given, I can't see anything wrong with it.


~A~

12-Oct-2019 23:34:42

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