It should be noted that the male-to-female ratio varies significantly between individual schools.

The ratio of death to combat may have varied somewhat at different times.

Silver often tracks the gold price due to store of value demands, although the ratio can vary.

The exact ratio of sky to ground visible in the forward window will vary from one aircraft type to another.

Both overall size, and the ratio of height to diameter can vary greatly.

Schools have internal cultures, and the ratio of enthusiasm to resistance varied from one to another.

This ratio may vary depending on the type or use of the property.

The exact ratio may vary depending on the method of preparation.

The ratio varies slightly with time, reaching 1.002 737 909 409 795 after a century.

Our ratio of good to reasonable to just plain dreadful will vary according to the care taken with each image.