You are a forester working for Shenandoah National Park studying the diameter of oak trees You measure the growth rate of 15 trees and find an average diameter of 10inches with a standard deviation of Sinch are studying has diameter of 12inches on average with a standard deviation of 8inches Match the quantity from the above scenano to the appropriate statistic or parameter A. 15 B. 12 C.8 D. 10 E. 9 vn= vp= v= vy= VS=

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A: Participants12345height(in inches)6672614465