<h2>
Answer:</h2>
Option: C is the correct answer.
The mean of the data set is: 1.6
<h2>
Step-by-step explanation:</h2>
The mean of the data set is the average value of the data set.
It is calculated as the ratio of the sum of all the data values to the number of data points.
Here we have the data set as:
1.2, 1.8, 1.6, 1.4, 1.4, 2.2
There are a total of 6 data points.
and the sum of these data points is: 1.2+1.8+1.6+1.4+1.4+2.2= 9.6
Hence, the mean of the data set is: