Consider these seven observations, where xxx is an integer:
4,6,4,9,6,x,114, \quad 6, \quad 4, \quad 9, \quad 6, \quad x, \quad 114,6,4,9,6,x,11
You are told the dataset has a unique mode, and that mode is 666.
What is the mean of the seven observations, rounded to two decimal places?
Select all that apply.
5.715.715.71
6.576.576.57
6.006.006.00
6.296.296.29