The following data shows the number of hours per day 12 adults spent in front of screens watching television-related content.
1.8, 4.6, 4.4, 4.8, 7.4, 7.3, 5.5, 2.5, 5.6, 1.5, 2.8, 8.8
Construct a 90% confidence interval to calculate the average number of hours per day adults spend in front of screens watching television-related content.