The phrase "a much higher mean" is correct and usable in written English.
It can be used in statistical contexts to compare average values between different groups or datasets.
Example: "In the recent study, the experimental group showed a much higher mean in test scores compared to the control group."
Alternatives: "a significantly greater average" or "a notably higher average".
Compared to a near equal mean CSI for households from both livelihood systems at the start of the dry season, pastoralists had a much higher mean CSI (greater food insecurity) than agro-pastoralists at the start of the rains.
Here, while the net increase of R L at 4 Hz was far lower than during homogeneous constriction with a much higher mean reduction of airway diameter, the increase in R L and E L at typical breathing rates was much larger at spontaneous breathing frequencies.
The reed habitat had a mean density of 5.9±1.6 Asellus individuals/kg substrate, whereas the novel stonewort habitat had a much higher mean density of 141.7±20.3 individuals/kg habitat (t1,4 = 11.55, P = 0.0003).
Discordantly, Tentolouris et al[ 29], 2006 report a much higher mean age of 60.1 years.
Patients with nuclear cataract had a much higher mean age than controls (73 years vs. 67 years).
The integration achieves a much higher mean ConQuass score than does filtering by each measure separately (Fig. 3B; gray).
Previously, in a positively selected group of Catholic priests, we observed much higher mean scores of 70.1 ± 21.6 [ 31].
MVCs however produced much higher mean MRRs for crushing injuries (0.184 versus 0.072) and internal injuries to the thorax, abdomen, and pelvis (0.200 versus 0.169).
It is attempted to show the utility of these two variables to confirm much higher mean monthly NDVI trends in the Dominican side and remark the more extreme biomass changes and over pressure against Haiti natural forests.
Excluding the extinct Albanerpeton and Speleomantes, which has a very narrow environmental range, the remainder of the assemblage suggests a Mean Annual Temperature rather similar or slightly colder than the present one in Rivoli Veronese (11.6 °C versus 12.4 °C), with much higher Mean Annual Precipitation (1322 mm versus 834 mm).
The regression values of the GHI persistence model are moderate but it has much higher mean absolute errors and root mean squared error values.
