The following graphs have a scale assigned to them: The area
of each grid square is 0.1 sq. units. Which ones are density
curves for a continuous random variable?
Check all that apply.

Answer

Graphs B and C

square root of 36/6 = 2.449489743

square root of 16/6 = 1.632993162

square root of 6 = 2.449489743

the answer is square root of 16/6 because the square root of 36/6 is the same answer as square root of 6 = 2.449489743