b The mean height of all adult American males is 69 inches 5

Last updated: 10/18/2023

b The mean height of all adult American males is 69 inches 5 ft 9 in A researcher wonders if young American males between the ages of 18 and 21 tend to be taller than 69 inches A random sample of 100 young American males ages 18 to 21 yielded a sample mean of 71 inches A H 69 H 69 B H 71 H 71 Ha 69 Ha 71 69 c Ho 69 D H 71 O E Ho 69 OF Hou 69 Ha Ha 69