Raoul measured the height of 12 different plants in his garden in April. He measured them again in June, April Heights (in inches) June Heights (in inches) 12 15 23 11 42 45 44 39 12 19 20 12 45 45 40 43 11 14 12. 13 41 40 45 41 What is the difference between the mean height in April and the mean height in June? O A. 34 inches B. 33 inches O C. 30 inches O D. 28 inches​