12/27/2023 0 Comments 3 sigma vs 6 sigmaA 10-Sigma would be an event that happens once every 5.249e+020 years (that’s half a Septillion). In actuality you wouldn’t really be a 10-Sigma in this case. If you you happened to discover a purple polka dotted swan in your life time you are probably what Nassim Taleb would call a Black Swan or a 10-Sigma.He was clearly a 6-Sigma regardless of your religious belief. And nudging out Dr Albert for the top spot has to be Jesus.Einstein by anyone’s estimation is a top 15 individual and has to be considered a 6- Sigma. ![]() That puts her in a near proximity of a 5.5-Sigma. Sheryl Sandberg is one of around 200 women billionaires worldwide.My guess is if you die from kissing Jeffery Lurie, you are most likely a 7 or 8-Sigma. Death by oral conditions was listed number 83 on the world ranking for causes of death. Ironically, if you die from kissing someone in 2015, you are also a 5-Sigma. Jeffery Lurie was near the bottom of the Forbes 2000 list of billionaire in 2015. If you win the lottery and and have enough money to buy the Philadelphia Eagles from Jeffery Lurie, you are in that elite group your aunt put you in … 5-Sigma’s.Death from falling is ranked number 24 on the world ranking for causes of death. If you fall and can’t get up and you don’t have one of those silly TV advertisement devices – “I’ve fallen and I can’t get up” – and you die, you are basically a 4-Sigma.In March of 2010, it was estimated that 1.5 million people got breast cancer. If you get breast cancer this year, you are probably somewhere between a 3.5 and 4.0- Sigma.A March 2015 study showed that around 15 million people worldwide are infected with HIV. ![]() If you have HIV, you are hovering around 3-Sigma.In other words, you probably make more than 75k per year (estimates are generalizations). You might be at least a 2-Sigma if you are reading this blog post.Some estimates claim that 80% of the world population lives in poverty making less than $10 dollars per day. If you make more than $10 per day (hooray), you are a 1.5-Sigma.Ironically, this is 130 years after Tesla (Tesla being a bonafide 6-Sigma) invented distributed use of electricity. Some estimates predict that 1.6 billion people in this world still do not have electricity. Roughly speaking, you are a 1-Sigma if you are still using candles to read books.Let’s look at some of my data points here… In order to figure this out, I first needed to figure out what other people’s Sigma is (see Figure 3).įigure 4 – From Wikipedia on 68-95-97.5 Rule So back to my original question, my aunt’s opinion aside, “What Sigma am I?”. This group would collectedly be known as, at least from your aunt’s perspective, a group of 5-Sigma’s. Next time your friendly aunt tells you that you are a 1 in a million, you can thank her for putting you in an group with 6,999 other people (based on a world population of 7 billion). The bottom line is that Sigma is used often as a term to differentiate data points. In reality this number is actually closer to a 4.5-Sigma, but Motorola determined that due to long term drift, they need to add something called the 1.5 Sigma Shift. In common IT parlance, you could loosely consider this an service level of 99.9966. The Six Sigma quality initiative has a goal of not producing more than 3.4 defects per million opportunities. The initiative is widely known through it’s banner slogan “Defects Per Million Opportunities (DPMO)”. However, companies like Motorola (1986) and General Electric (1995) used the term as a quality initiative. Six Sigma, by pure definition, is just 6 standard deviations from the norm. ![]() ![]() You might have also heard the term Six Sigma. When plotted against a normal distribution, a “bell-shaped curve” (see Figure 2), or on a control chart (see Figure 1), it shows how much variance a particular data item is from the average.įigure 2 – From Wikipedia on 68-95-99.7 Rule A “1-Sigma” is one standard deviation from the norm (norm is also called mean or average). It’s the eighteenth letter in the Greek alphabet, but for the purposes of this discussion it is used in statistics as a representation of Standard Deviation (SD). So when I couldn’t sleep I pulled my lovely R and Rstudio out and tried to figure out what Sigma am I.įirst we should start with what a Sigma is. We both laughed but that joke had me thinking all night. This friend of mine has had a few exits as well and at one point he joked and said “I guess we are 6-Sigma’s”. One within my first 10 years, and then another one not until 23 years later. The other day I was having an interesting conversation with a successful entrepreneur friend of mine and we were discussing how hard it is to get a startup exit let alone more than one. Are you a one in a million? This is a tongue in cheek post that might shed a little bit of light on statistics.
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