The study area was Watershed 13 at the H. J. Andrews Experimental Forest. All 4521 trees in the watershed were numbered from 1 to 4521. I selected 100 numbers at random from 1 to 4521 and located the trees with those numbers. I then measured the basal area and height of each of those trees." Flag question: Question 4 Question 42 pts What was the actual sampling universe? Group of answer choices The H. J. Andrews Experimental Forest Watersheds similar to Watershed 13 The 4521 trees within Watershed 13 The 100 trees mentioned in the methods Flag question: Question 5 Question 52 pts What was the number of independent observations of tree basal area? Group of answer choices 1 13 100 4521 Flag question: Question 6 Question 62 pts Was the sampling per area or per individual? Group of answer choices Per Area Per individual