PLEASE HELPP! LAST QUESTION! WILL MAKE BRAINLEIST! PLZ HELP ME!! BRAINLY IS AWSOME,YOUR SMART,PLZ HELP!
The stem-and-leaf plot shows the heart rates that two groups had during exercise. How many Group 2 subjects had heart rates GREATER than 143?
A) 9
B) 11
C) 12
D) 13
