"wider variation" is a correct and usable phrase in written English.
You can use it to describe a broader range of options, for example: "This store offers a wider variation of colors than the other stores."
When looking at only obesity – a body mass index (BMI) of 30 and above – a wider variation was seen in adults across PHN areas.
They found that a much "wider variation" appeared; from 78% of under 30s in China saying that their life will have been better than their parents' generation to just 12% of under 30s echoing the same sentiment in Belgium.
"With obesity we see even wider variation with 16% of adults who were shown to be obese in central and eastern Sydney, compared with 38% in country South Australia.
The valley contains nearly half of Lebanon's arable land but is not as intensively farmed as the country's coastal plain because of less rainfall and a wider variation in temperature.
The main influence would be faster differentiation and wider variation of tree size.
Compared to textbooks, museums seem to use a wider variation of cladogram geometries including curvogram/swoopogram and eurogram.
Overall accuracy was ca. 70% and varied little over all models, but sensitivity, specificity and MCC showed wider variation.
We studied the circuit dynamics of the DLPFC for wider variation of the cortical extracellular DA concentration than usually considered.
Furthermore, landmarks such as point A have a higher variance than others like point B because of wider variation and anatomical localisation of point A [23].
However, although blood pressure, as the targeted parameter, showed little variation between animals (Fig. 1a), there was a wider variation in both cardiac output (Fig. 1b) and PVD (Fig. 1c).
In addition, it can be also observed that nutshell particles are poorly sorted (Fig. 8c), i.e. have wider variation in the particles' sizes and shapes, which is in agreement with the PSD analysis shown in Table 4.
