518,352 views
24 votes
24 votes
the following are ages in years of members in a group: 8,11,8,19,6,7,3x,11,11. If the mean age is 9, find x

User CarComp
by
3.1k points

1 Answer

14 votes
14 votes
X = 3

Mode: 11median: 9

Step-by-step explanations

3x = 3*2 = 6

(6,7,8,8,9,10,11,11,11)/9 = 81/9 = 9
User Jdoej
by
2.6k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.