d3.randomNormal([mu][, sigma]) Returns a function for generating random numbers with a

d3.randomBates(n) Returns a function for generating random numbers with a

d3.randomLogNormal([mu][, sigma]) Returns a function for generating random numbers with a

d3.randomUniform([min, ][max]) Returns a function for generating random numbers with a

d3.randomExponential(lambda) Returns a function for generating random numbers with an

d3.randomIrwinHall(n) Returns a function for generating random numbers with an