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
by the sample mean
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by the sample mean" is correct and usable in written English.
It can be used in statistical contexts when referring to calculations or conclusions drawn from the average value of a sample. Example: "The results were adjusted by the sample mean to ensure accuracy in the analysis."
✓ 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
20 human-written examples
parameterized by the sample mean μ i and sample covariance Σ i.
In practical situations, the population mean μ and standard deviation σ, if unknown, can be estimated by the sample mean and the sample standard deviation.
In the following, the lower bound (28) will be computed from the simulations by substituting Pb and var[F x)] by the sample mean and variance resulting from {F(x i )}, respectively.
All velocities are normalised by the sample mean speed v 0 μ at γ ˙ = 0.
Science
Missing values on these variables were replaced by the sample mean for men and women, respectively.
Science
The coefficient of variation (CV) was calculated by dividing the sample s.d. by the sample mean.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
All samples were centered by subtracting the sample mean and scaled by dividing by the sample standard deviation.
Science
Results reported for the reporter algorithm (RA) in the Results section are raw z-scores per metabolite, normalized by subtracting the sample mean and dividing by the sample standard deviation.
Science
Since the image features could have a variable dynamic range over all studies, each of the 286 features was normalized by subtracting the sample mean and dividing by the sample standard deviation before applying subsequent processing.
The corresponding sample mean and standard deviation were determined and these scores were normalized to z scores ss' ss and S bps by subtracting the sample mean and dividing by the standard deviation.
Science
Internally derived sex specific SD scores were calculated for birth weight and BMI at age 14, by subtracting the sample mean from the individual mean and then by dividing by the sample standard deviation.
Science
Expert writing Tips
Best practice
When reporting statistical analyses, clearly state that adjustments or normalizations were performed "by the sample mean" to ensure transparency and reproducibility.
Common error
Avoid assuming the "sample mean" is always representative of the population mean. Always consider the sample size and potential biases before making generalizations.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by the sample mean" functions primarily as an adverbial phrase, modifying a verb or adjective to specify how an action is performed or a state is achieved. As Ludwig AI confirms, it is grammatically correct and usable. Examples from Ludwig show its use in contexts like normalization and adjustment of data.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "by the sample mean" is a grammatically correct and technically specific term primarily used in scientific and statistical contexts. It denotes that a calculation, adjustment, or normalization is performed using the average value calculated from a sample. As Ludwig AI confirms, it is considered reliable and usable. While not exceptionally common, its presence in academic and research-oriented sources underscores its importance in precise scientific communication. Related phrases such as "using the sample average" or "based on the sample mean" can provide alternative ways to convey the same meaning, depending on the specific nuance desired.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
using the sample average
Emphasizes the act of utilizing the average value from the sample for calculations or adjustments.
based on the sample mean
Highlights that certain conclusions or actions are grounded in the calculated average of the sample data.
calculated from the sample mean
Focuses on the origin of a value or result, specifying that it was derived from the sample mean.
determined by the sample mean
Suggests that the average value of the sample directly influences or sets a specific outcome or determination.
normalized by the sample mean
Implies a standardization process where values are adjusted relative to the sample's average.
adjusted by the sample mean
Indicates a modification to data or results, using the sample mean as a reference point.
scaled by the sample mean
Signifies a transformation of values where the sample mean serves as a scaling factor.
proportional to the sample mean
Highlights a direct relationship where one quantity varies in relation to the average value of the sample.
estimated using the sample mean
Focuses on the inference of a parameter or value, where the sample mean is a key input in the estimation process.
with respect to the sample mean
Suggests a consideration or analysis that is framed in the context of the average value of the sample.
FAQs
How is "by the sample mean" used in statistical analysis?
In statistical analysis, "by the sample mean" often refers to adjusting or normalizing data using the average value calculated from a sample. For example, data might be centered "by subtracting the sample mean" to remove bias.
What does it mean to normalize a dataset "by the sample mean"?
Normalizing "by the sample mean" involves adjusting data points relative to the average value of the sample. This can involve subtracting the sample mean from each data point or dividing by it to create a dimensionless ratio. It is done to compare different dataset or to make the data easier to analyze
When should I use "by the sample mean" instead of "by the population mean"?
Use "by the sample mean" when you only have access to a sample of the entire population and need to make inferences or adjustments based on that sample's characteristics. If the entire population is known, use "by the population mean".
Are there alternatives to saying "adjusted by the sample mean"?
Yes, you could say "adjusted using the sample average", "normalized by the sample mean", or "centered around the sample mean" depending on the specific context and the type of adjustment being made.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested