A diver records the depths, in feet, of her dives. They are ________.60, 58, 53, 49, 60. The mean of the data set is 56. Use the equation for variance below, along with the given data set, to answer the following questions.
σ² = (x₁ - μ)² + (x₂ - μ)² + ... + (xₙ - μ)² / n
What does the numerator evaluate to? What does the denominator evaluate to? The variance equals _________.