The phrase "a much greater average" is correct and usable in written English.
It can be used when comparing averages in a context where one average is significantly higher than another.
Example: "The new study shows that the participants who received the treatment had a much greater average score than those in the control group."
Alternatives: "a significantly higher average" or "a considerably larger average."
Within the limits of sampling variation, the SEM has not changed at all, despite being used on a much-restricted sample that is of much greater average ability than the total sample.
Whereas only 2.6% P. papatasi females collected in non-irrigated areas in the Jordan Valley are older than 8 days [ 3], in irrigated regions where sugar-rich sources are available the longevity of flies is much greater, averaging 33 days [ 5].
Consistent with Figure 1, db/+ glycogen also shows a much greater range of average M̅w values, with one sample having M̅w ≈ 10 Da, corresponding to the molecular weight of β particles.
And the average user watches 80 videos per week – a much greater number than an average of 21 photos, which suggests that KidZui is starting youth off early for YouTube as well.
Now, if Amplify finds an extraordinary teacher and provides extended support, it might have a much greater impact than the average run-of-the-mill AP course.
However, the young toads from lowland France grew faster and longer to a much greater size taking an average 1.77 years for males and 2.49 years for females before reaching maturity.
Dust particles from long-decayed cometary trails and the asteroid belt give rise to a continuous input of sporadic meteoroids, which provides a much greater mass flux on average than meteor showers.
The prevalence of breast cancer is similar for BRCA1 and BRCA2 mutation families (average 3.7 and 3.6 per family), but the former have a much greater risk of ovarian cancer (average 1.5 and 0.6 per family, respectively).
The Chartered Management Institute (CMI) found that women over 40 in management roles are paid 35% less than men, a much greater disparity than the 19% average gap across the whole economy.
Thus the average halophilic microorganism should be exposed to a much greater diversity of DNA than an average thermophilic microbe.
