The phrase "a significantly higher average" is correct and usable in written English.
It can be used when comparing averages in statistical data to indicate that one average is much greater than another.
Example: "The study revealed a significantly higher average score among students who attended tutoring sessions compared to those who did not."
Alternatives: "a notably greater average" or "a considerably higher mean".
The UK average cost of avoidable food and drink waste per person was £200 in 2012 - one-person households recorded a significantly higher average at £290.
Boxplot analysis showed that CRPC with either SPOP mutations or TRIM28 overexpression showed a significantly higher average expression of these genes than CRPC with both SPOP wild type and low TRIM28 (Fig. 6g).
There was an interesting finding with the ICS groups: the analytic-verbaliser group had a significantly higher average on cognitive performance with the T1 than T2.
A significantly higher average number of seeds per pod was recorded with the cultivar Bati-Sedi than the cultivar Werer-962.
Interestingly, the highest rate of students who accept the teaching of creationism belongs to the biological sciences course, which obtained a significantly higher average than other courses (Pazza et al., 2010), which could be explained by the students' religious choices, most of them Catholics.
When examined over 12 generations (∼80 lactating females evaluated per generation per group), MaD1 mice [25] had a significantly higher average neglect rate (∼17%) relative to Outbred-S mice (<1%) (Fig. 1A, H 1,23) = 17.56, p<0.001; ANOVA on Ranks).
However, course completers compared with non-completers had a statistically significantly higher average age, used a higher number of HDS personally, had lower scores on self-appraised computer knowledge, had higher baseline scores on K and CONF and were more likely to seek CE credit for the course (P<0.05 for all comparisons, Table 2).
While there was significant overlap between the two groups, we found that worms that aged more successfully (remained in motility class "A") had statistically significantly higher average mtDNA copy number than animals that were scored as class "B" or "C" on day 12 of life (Figure 3).
In total, in ten out of 21 countries, respondents with non-vocational education show a statistically significantly higher average literacy score than respondents with vocational education.
Spanish-born mothers had a statistically significantly higher average number of emergencies (p = 0.001), tests (p = 0.009) and hospital contacts (p = 0.042).
Pair-wise correlation tests on expression between genes within a cluster showed significantly higher average correlation than random clusters (Table 2).
