Answer:
5.16666666667 (Non-terminating and repeating)
Explanation:
The mean of a data set is the average of the values within the set:
The average can be calculated by: Sum of data values divided by the number of values in the data set.
(2 + 3 + 4 + 6 + 7 + 9) / 6
= 31 / 6
= 5.16666666667