In reality, because of variations in the surface, some regions will lose more than others.
Direct comparisons can be tricky because of variations in standard equipment.
In practice, however, because of variations in registration and voting turnout, the relationship is not constant.
The authors write that the results should be interpreted with caution because of variations in the studies' methods.
Controversy over the exact elevation of the summit developed because of variations in snow level, gravity deviation, and light refraction.
Suicide rates can be difficult to interpret because of variations in the way local officials report causes of death.
The Transportation Security Administration has been hampered in identifying some individuals because of variations in how their names were transliterated from Arabic.
"Standardized tests came in because of variations in testing and grading and the notion that it's only fair if you test everyone the same way," he said.
Less than half of the land area is cultivable, however, and its distribution is quite uneven because of variations in topography, rainfall, and soils.
A great variety of vegetation is found in Texas because of variations in the amount of precipitation and types of soils.
The findings of the study, however, were controversial, because of variations in the statistical significance of risk reduction produced by different statistical analyses.
