## What is a good rule of thumb means?

A rule of thumb is a rule or principle that you follow which is not based on exact calculations, but rather on experience. A good rule of thumb is that a broker must generate sales of ten times his salary if his employer is to make a profit.

## What is another word for rule of thumb?

In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for rule of thumb, like: general-principle, general guideline, guideline, approximation, quasi-newton, pragmatism, trial; standard, criterion, hit-and-miss, estimate and guess.

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How accurate is the range rule of thumb?

The Range Rule of Thumb says that the range is about four times the standard deviation. The standard deviation is another measure of spread in statistics. It tells you how your data is clustered around the mean.

### How do you calculate the range rule of thumb?

The range rule of thumb offers a quick and easy way to estimate the standard deviation of a dataset by using the following formula:

1. Standard deviation = range / 4.
2. Standard deviation = range / (3√(ln(n))-1.5)

### What is the range rule of thumb equation?

The range rule tells us that the standard deviation of a sample is approximately equal to one-fourth of the range of the data. In other words s = (Maximum – Minimum)/4. This is a very straightforward formula to use, and should only be used as a very rough estimate of the standard deviation.

What is range algebra?

The range is the difference between the lowest and the highest number in the number set. The lowest number in the number set is 2 while the highest number is 10. Therefore, the range is calculated as. \displaystyle 10-2=8. So 8 is the range.

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#### What does “rule of thumb” really mean?

a principle that is kept to

• a guide that is based on practice rather than theory
• a general principle that comes through experience and not any scientific means
• a practical and approximate way
• #### What do you mean by rule of thumb?

A rule of thumb is defined as a general guidepost for determining behavior, or a rule that allows a person to make a quick mathematical calculation or remember a formula. It exists to recall something else, whether general or scientific in nature. In standard usage one might write: A rule of thumb in fashion is to never wear white after Labor Day.

What does rule of thumb come from?

The ‘rule of thumb’ has been said to derive from the belief that English law allowed a man to beat his wife with a stick so long as it is was no thicker than his thumb.

## What is the origin of the phrase “rule of thumb”?

A popular, but untrue, origin of the “rule of thumb” phrase is that it came into popular use from an old English law that allowed a man to beat his wife with a stick or switch, as long as it was no thicker than his own thumb.

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