Editing 2476: Base Rate
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==Explanation== | ==Explanation== | ||
+ | {{incomplete|Created by a LEFTY. Seems like the entire first paragraph has very little to do with this comic. And there is not enough explanation of why Cueball's statement is a base rate error. Please mention here why this explanation isn't complete. Do NOT delete this tag too soon.}} | ||
− | The "{{w|base rate}}" is a type of base probability, which a statistical probability can be based on. The {{w|base rate fallacy}} is a type of error in which people are presented with the rate at which something occurs throughout an entire population along with more specific information about a subset of that population, and tend to ignore the whole-population information in favor of the specific information. | + | The "{{w|base rate}}" is a type of base probability, which a statistical probability can be based on. The {{w|base rate fallacy}} is a type of error in which people are presented with the rate at which something occurs throughout an entire population along with more specific information about a subset of that population, and tend to ignore the whole-population information in favor of the specific information. For instance, imagine a disease that is present in 1% of the population, for which there is a test with a 5% false-positive rate. This test might be presented as "95% accurate", and so people who receive a positive result from such a test are likely to think they have the disease. However, someone who receives a positive test result has only a 17% chance of actually having the disease; a much more likely reason for the positive result, occurring in 83% of all positive test results, is a false (wrong) positive. |
− | In this case, the joke is that 90% of people are right-handed, so | + | In this case, the joke is that 90% of people are right-handed, so [[Cueball|Cueball's]] claim that right-handers commit 90% of base-rate errors is itself a base-rate error. |
− | + | Since Cueball has no facial features it can be impossible to tell if he faces the audience or looks at his graph. However, it seems most likely that he is looking at his audience while delivering the take home message and thus points at the graph behind him. If this is the case then the pointer is held in Cueball's right hand, indicating that he too is right-handed (as 90% of stick figures are{{fact}}), so belonging to the 90% that makes 90% of the base-rate errors, one of those he is just committing. | |
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Something similar occurs in [[1138: Heatmap]], where Cueball makes inferences simply based on a population map of the US, instead of statistical evidence. | Something similar occurs in [[1138: Heatmap]], where Cueball makes inferences simply based on a population map of the US, instead of statistical evidence. | ||
==Transcript== | ==Transcript== | ||
− | :[Cueball | + | {{incomplete transcript|Do NOT delete this tag too soon.}} |
+ | :[Cueball standing in front of a screen, holding a pointer. The screen shows a bar graph with 2 bars, labeled "L" and "R". The "R" bar is significantly greater than "L".] | ||
:Cueball: Remember, right-handed people commit 90% of all base rate errors. | :Cueball: Remember, right-handed people commit 90% of all base rate errors. | ||
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{{comic discussion}} | {{comic discussion}} | ||
− | + | [[Category:Statistics]] | |
[[Category:Bar charts]] | [[Category:Bar charts]] | ||
[[Category:Comics featuring Cueball]] | [[Category:Comics featuring Cueball]] | ||
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