Tim is investigating the relationship between the number of years since a tree was planted and the height of the tree in feet. His data are shown in the table. Years Since Tree was Planted vs. Height of Tree

Years since the tree was planted, x

Height of tree in feet, y

2

17

3

25

5

42

6

47

7

54

9

69

Using a regression calculator, what is a good prediction for the height of the tree when it is 100 years old?

Question

Mathematics

Fiona Blake

26 June, 19:44

Tim is investigating the relationship between the number of years since a tree was planted and the height of the tree in feet. His data are shown in the table. Years Since Tree was Planted vs. Height of Tree

Years since the tree was planted, x

Height of tree in feet, y

2

17

3

25

5

42

6

47

7

54

9

69

Using a regression calculator, what is a good prediction for the height of the tree when it is 100 years old?

+3

Answers (1)

Know the Answer?

Dezi · Answer 1

Answer is D. There is no good prediction for the height of the tree when it is 100 years old because the prediction given by the trend line produced by the regression calculator probably is not valid that far in the future.