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Margin Error facts

While investigating facts about Margin Error Calculator and Margin Error Meaning, I found out little known, but curios details like:

You only need 40 digits of pi to calculate the circumference of the observable universe to a margin of error of 1 hydrogen atom

how to find margin of error?

The ancient Greeks had known the world is round since Pythagoras, and successfully calculated the circumference of the globe when Eratosthenes measued the angles of the mid-day sun between two towns of a known distance. His calculation had only about a 10% margin of error.

What does margin of error mean?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what is margin of error in statistics. Here are 19 of the best facts about Margin Error Definition and Margin Error Calculator Statistics I managed to collect.

what is margin of error?

  1. The pinstripe on a Rolls Royce is handpainted, with no margin for error as the the paint has special properties that instantly bond it to the underlying car paint.

  2. The Chinese population census margin of error (26 million) is bigger than the population of 180 countries

  3. Greek mathematician Erastosthenes, who measured the Earth's circumference with an error margin of less than 1% using a stick.

  4. NASA uses 15 digits of Pi to calculate interplanetary spacecraft trajectories. A calculation using 40 digits of Pi could calculate a circle of circumference of the visible universe with a margin of error less than the width of a hydrogen atom.

  5. The 1990 Nutrition Labeling and Education Act allowed the FDA to establish a 20% margin of error when it comes to stated nutritional values on nutrition labels. So something that says it is 100 calories could actually be somewhere between 80-120 calories.

  6. The FDA allows a 20% margin of error on nutrition labels

  7. The Great Pyramid is aligned with Machupicchu, the Nazca lines and Easter Island along a straight line around the center of the Earth, within a margin of error of less than one tenth of one degree of latitude.

  8. The FDA allows a 20% Margin of error on Food labels

  9. Scientists have developed measurement formulas so precise that the distance between the Earth and Moon can be calculated with a margin of error smaller than the distance of a red blood cell.

  10. Scientists have developed measurement formulas so precise that the distance between the Earth and Moon can be calculated with a margin of error smaller than the distance of a red blood cell.

margin error facts
What is the margin of error for a 95 confidence interval?

Why does the margin of error increase as confidence increases?

You can easily fact check why does margin of error increase with confidence level by examining the linked well-known sources.

Family feud polls people by phone. The #1 answer has a margin of error + or - 10%

The Hawk-eye system used at Wimbledon has a margin of error of 3.6 mm - source

While 2014 may have been the warmest since mid-1800s, but the rise is well within the margin of error for the measurements - source

The margin of error in the Indian population census is over twice the global Jewish population

The Allowed Margin of Error for Food Nutrition Labels is 20% - source

When the level of confidence decreases the margin of error?

The wage gap is 94 cents to the dollar when adjusted for the amount of hours worked per week and the flexibility of the selected career path. The gap is almost within the margin of error.

How to calculate margin of error?

Without the Paris Agreement the temperature is supposedly going to raise 3.3 degrees but the margin of error is 2.5 degrees

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