In countries across the world, the average height of women is considered to be 5 feet 4 inches tall or 5.33 feet tall. This can vary by 3 inches or 0.25 feet and still be considered within average range. If x is women's height and y is the variation from average, the equation to find the differences in average height is y = x - 5.33 - The table of values for the context is shown.