Four pairs of shoes are for sale. The black boots (B) cost $70, the red boots (R) cost $60, the white sneakers (W) cost $50, and the green sandals (G) cost $30. Use the table below to identify all samples of size n = 3, the corresponding mean, and their sampling distribution. Sample n = 3 BRW BRG B__G RW__ Cost ($) Mean ? Complete the two remaining possible samples of size 3. B G RW The mean for the first sample displayed in the table is what value? $ How would you best describe the sampling distribution of the means of the samples? There will be dots located at the .