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
much longer mean
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "much longer mean" is not a grammatically correct phrase in English.
It is not clear what the intended meaning is, so it is difficult to provide an example. Some possible alternatives could be: - "Much longer" meaning "a significantly greater amount of time" - "Longer mean" meaning "a longer average or typical amount of time" - "Much meaner" meaning "a significantly more unkind or cruel behavior" Here are some examples of these alternative phrases in sentences: - "The marathon last year was much longer than the one I ran this year." - "The average lifespan in this country is longer than in that country." - "The boss this year is much meaner than the one we had last year." Alternatively, if you were trying to convey a comparison between two things, you could say something like: "The longer mean of the second group is significantly greater than that of the first group." This means that the average or typical amount of time for the second group is longer than that of the first group.
⚠ May contain grammatical issues
Science
News & Media
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
6 human-written examples
Conversely, the polar plots for the chemoattractant experiment (D) demonstrate a much longer mean resultant vector with corresponding narrow 95% confidence intervals in the direction of the chemoattractant.
Science
The previously published estimates therefore assumed a much longer mean generation time and this could also lead to a higher estimated reproductive number.
Science
Iterative read mapping and assembly has previously been applied in the reconstruction of a bacterial genome from environmental sequence data (Pelletier et al., 2008), but the sequencing reads in that experiment had a much longer mean size of 633 nt, and the idea was not systematically analyzed.
Science
Results from this study confirmed that ZA infusion combined with ancillary tasks associated with IV infusions resulted in a total administration time that was much longer (mean 69.4 minutes; median 60 minutes) than the minimum infusion time stated in the Zometa label.
Residents on the LSVU had a much longer mean length of stay than patients on the GRU (LSVU: 714 days; GRU: 40 days).
Science
There was a marked delay in diagnosis in both groups but those with pediatric-onset CVS has a much longer mean delay in diagnosis in comparison to adult- onset CVS (10 ± 7 vs. 5 ± 7 years, p = 0.001).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
In other words, domestic affairs are now fair game for foreign interference; indeed, for the post-moderns, the distinction between domestic and foreign affairs is fast disappearing.One thing that is not changing is national borders, but that is because in a trans-national system borders no longer mean much.
News & Media
The traditional architectural markers of privacy — the locked front door, the thick curtain, the elevator doors coming together — no longer mean much of anything.
News & Media
But borders no longer mean as much.
News & Media
Former Newcastle United star Chris Waddle fears that his old club's derby clashes with local rivals Sunderland no longer mean as much as they used to.
News & Media
The car development cycle is just much longer, which means it takes around half a decade for a major refresh for a car to roll out.
News & Media
Expert writing Tips
Best practice
When comparing averages, clearly state what is being measured and use correct grammatical structures like "longer average duration" or "greater mean value".
Common error
Avoid placing "much longer" directly before "mean" without proper context. Ensure that "mean" is appropriately modified, such as "longer mean duration" or "greater mean value", for clarity.
Source & Trust
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "much longer mean" attempts to modify a statistical measure. It aims to express that an average value or duration is considerably extended. However, the phrase is grammatically awkward and requires restructuring for clarity. Ludwig AI highlights the grammatical issues.
Frequent in
Science
67%
News & Media
25%
Wiki
8%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "much longer mean" seeks to describe a statistical comparison, but it suffers from grammatical issues. Ludwig AI points out that it's not a standard English phrase. Although "mean" refers to an average, placing "much longer" directly before it creates an awkward construction. Alternatives like "significantly longer average duration" or "considerably greater mean value" are grammatically stronger and clearer. While usage appears in science and news, clarity benefits from rephrasing. The best approach involves restructuring the sentence to clearly indicate what is being compared and using correct phrasing to express the difference.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
significantly longer duration
Replaces "much longer mean" by focusing on the duration and emphasizing the significant difference.
markedly greater length
Uses "markedly" to show the length difference is significant.
a vastly extended duration
Highlights that duration has been vastly extended.
considerably longer average
Uses "considerably" to enhance the difference and "average" instead of "mean".
considerably prolonged time
Reiterates "considerably" emphasizing on prolonged time.
substantially increased time
Emphasizes the increase in time with "substantially".
noticeably extended period
Focuses on the "period" and uses "noticeably" to show a clear difference in length.
appreciably longer timeframe
Replaces the concept with a "timeframe" that is "appreciably" longer.
distinctly longer phase
Uses "phase" to denote time and "distinctly" to highlight the difference.
remarkably prolonged interval
Emphasizes the time as an "interval" that is remarkably longer.
FAQs
How can I use the concept of "much longer mean" correctly in a sentence?
To use the concept correctly, rephrase it to something like "a much longer average duration" or "a mean duration that is much longer". For example, "The treatment group had a "much longer average duration" of remission than the control group".
What's a more grammatically sound alternative to "much longer mean"?
Instead of "much longer mean", try "significantly longer average" or "considerably greater mean value". These alternatives clarify the comparison you're trying to make.
Is it correct to say "much longer mean" when describing statistical data?
While understandable, "much longer mean" isn't grammatically ideal. A better way is to say "the mean was much longer" or "the average duration was significantly longer". Using phrases like "average duration was significantly longer" is both more accurate and clearer.
What is the difference between "much longer mean" and "much greater mean"?
"Much longer mean" is typically used when referring to duration or time, while "much greater mean" is used for numerical values. If you're talking about time, say "the "average duration was much longer"". If you're describing a numerical value, "the "average value was much greater"" is more appropriate.
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
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested