I have 6 values and a mean and I want to know what statistical test to do and how to do them!!?

I have 6 values 76, 73, 69, 68, 74, 76. the mean is 73. I want to know how to do a statistical test on them to establish the variability between each value and the mean. Can anybody explain to me how to do it in a simple step by step way? please!?!?