Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
mean of three
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "mean of three" is correct and usable in written English.
It can be used in mathematical or statistical contexts when referring to the average value calculated from three numbers. Example: "To find the mean of three test scores, add the scores together and divide by three."
✓ Grammatically correct
Science
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Values are mean of three different experiments.
Science
c mean of three different trigeminal branches.
A mean of three blastocysts was replaced in all groups.
c mean of three replicates and standard deviation is given.
Science
Data are the mean of three replicate with standard deviation.
Science
The mean of three MVCF registrations was calculated.
The values shown are the mean of three individual experiments).
Science
All data were presented as the mean of three readings.
Science
Each value shown is the mean of three blocks.
The obtained results are the mean of three independent experiments.
Science
Data points are the mean of three replicates.
Expert writing Tips
Best practice
When reporting the "mean of three", always specify the units of measurement and the context in which the mean was calculated.
Common error
Avoid reporting only the "mean of three" without including a measure of variability, such as standard deviation or standard error, to provide a more complete picture of the data.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "mean of three" serves as a noun phrase functioning as a statistical descriptor. It is used to describe an average value derived from three individual data points. Ludwig AI confirms its correct usage in various contexts.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "mean of three" is a common and grammatically correct term, primarily utilized in scientific and academic fields to describe the average of three values. As noted by Ludwig, it functions as a statistical descriptor. While straightforward, it's essential to provide context and units when reporting this metric. Common alternatives include "average of three" or "arithmetic mean of three". Remember to include measures of variability when reporting the "mean of three" to give a more complete picture. Therefore, even if very frequent, usage of the expression "mean of three" requires rigor and completeness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
average of three values
Focuses on the values being averaged.
arithmetic mean of three
Specifies the type of mean being calculated.
average calculated from three
Emphasizes the calculation process.
mean value of three
Highlights that the mean is a value.
average of three data points
Specifies the data type being averaged.
central tendency of three
Refers to a statistical measure of central tendency.
average across three trials
Highlights that it's an average across different trials.
average of a trio
Replaces "three" with "trio".
mean score from three attempts
Specifies what is being averaged.
numerical average of three
Adds emphasis on the numerical aspect.
FAQs
How is the "mean of three" calculated?
The "mean of three" is calculated by adding the three values together and then dividing the sum by three. This provides the average of the three numbers.
What's the difference between the "mean of three" and the median of three?
The "mean of three" is the average of the three numbers. The "median of three" is the middle value when the three numbers are arranged in ascending order. The median is less sensitive to outliers.
When is it appropriate to use the "mean of three"?
It is appropriate to use the "mean of three" when you want to find the average value of three data points, assuming the data is relatively normally distributed and there are no significant outliers.
Are there alternatives to using the phrase "mean of three"?
Yes, you can use alternatives like "average of three", "arithmetic mean of three", or "average calculated from three", depending on the specific context.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested