13. A 10-yr-old competes in gymnastics. For several competitions she received the following "All-Around" scores: 36.4, 37.4, 38.7, and 36.2. Her coach recommends that gymnasts whose
"All-Around" scores average at least 36.6 move up to next level. What "All-Around" scores in the next competition would result in the child being eligible to move up?
To find the average of the four scores, add them all together and divide by the number of scores:
(36.4 + 37.4 + 38.7 + 36.2) / 4 = 148.7 / 4 = 37.175
The average "All-Around" score is 37.175. Since the coach recommends that gymnasts whose average is at least 36.6 move up, the child would need to earn a score of at least 36.6 in the next competition to be eligible to move up.