Answer:
About 68% of sixth-grade students will have heights between 55.7 inches and 60.3 inches.
About 95% of sixth-grade students will have heights between 53.4 inches and 62.6 inches.
About 99.7% of sixth-grade students will have heights between 51.1 inches and 64.9 inches.
Step-by-step explanation:
got it right in edg 2021, hope this is of help :)