Final answer:
The mean golf score for the group of friends is calculated by summing their scores and dividing by the number of friends. The total score is 196, and when divided by 7, the mean is 28.
Step-by-step explanation:
To calculate the mean golf score for the group of friends, you need to add up all of the scores and then divide by the number of friends. In this case, we add up the scores 23, 30, 39, 32, 35, 14, and 23 which equals 196. Then, we divide this total by 7 (because there are 7 friends) to get the mean score.
Let's do the math: 196 ÷ 7 = 28.
Therefore, the mean golf score for this group of friends is 28.