Difference between revisions of "Talk:892: Null Hypothesis"

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Prices of coffee increase by 2% this year, then by 3% next year. That's a 1% increase between years, or a 50% increase between years (from 2 to 3). So which is it? 1 or 50?
 
Prices of coffee increase by 2% this year, then by 3% next year. That's a 1% increase between years, or a 50% increase between years (from 2 to 3). So which is it? 1 or 50?
 
[[Special:Contributions/141.101.98.240|141.101.98.240]] 08:26, 18 December 2013 (UTC)
 
[[Special:Contributions/141.101.98.240|141.101.98.240]] 08:26, 18 December 2013 (UTC)
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That's why they've invented the "base points" in financials, to denote the percentages of percentages. It's 1% absolute but 50bpp (base point percentage). [[Special:Contributions/108.162.246.11|108.162.246.11]] 18:35, 20 January 2014 (UTC)

Revision as of 18:35, 20 January 2014

If you get a 50% discount at two shops and buy stuff from both of them, you have a 100% discount. Math. That's how it works, bitches. Davidy²²[talk] 10:05, 9 March 2013 (UTC)

That's a misleading thing about percentages. Like this: Prices of coffee increase by 2% this year, then by 3% next year. That's a 1% increase between years, or a 50% increase between years (from 2 to 3). So which is it? 1 or 50? 141.101.98.240 08:26, 18 December 2013 (UTC)

That's why they've invented the "base points" in financials, to denote the percentages of percentages. It's 1% absolute but 50bpp (base point percentage). 108.162.246.11 18:35, 20 January 2014 (UTC)