Try another version of this question Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Calculate `bar x` (x-bar) for the data shown, to two decimal places
x 18.2 8.9 1.4 20.6 13.1 13.8 6.6 9.3 23 15.7
Enter DNE for Does Not Exist, oo for Infinity 13.06