American Military University

A researcher is curious if age ma udents make use of the gym at a university. He takes a random sample mber of upperclassmen (Group 1) and underclassmen (Group 2) that use th belove The population standard deviation for underclassmen is known to be 2ak dard deviation for upperclassmen is known to be 13.57. Upper Classmen average = 202. 4 Pop Jianor 50-19 57. 14 -130 Under Classmen average = 191 3. Forulation SD 22 57 1 -30 Is there evidence to suggest that dif gyro usage based on age? Construct a confidence interval for the data above to decide Confidence Interval (round to 4 decimal places)