Hunter recorded the mass of each rock in his collection. A dot plot has a horizontal axis labeled, Mass, in grams, marked from 35 to 45, in increments of 1. The number of dots above each value is as follows: 35, 2; 38, 2; 39, 2; 41, 1; 42, 1; 43, 2; 44, 1; 45, 1. Find the median mass. \text{ g} gstart text, space, g, end text