Question

Background: The thickness of the annual rings indicates what type of environmental situation was occurring at the time of the tree's development. Tree ring patterns provide clues about climates of the past. Each year, as a tree grows, it adds a light ring of new growth to its trunk during the spring and early summer, when growing quickly, and a thinner, dark ring in the fall, when growth is slower. A thin ring usually indicates a rough period of development such as lack of water, forest fires, or insect infestation. On the other hand, a thick ring means a prosperous period of development. Use the information from the data table below to create a proper scientific graph and to answer the corresponding questions. Age of trees (in years) | Average Thickness of Annual Rings in Forest A (millimeters) | Average Thickness of Annual Rings in Forest B (millimeters) 10 | 20 | 25 20 | 25 | 30 30 | 30 | 35 40 | 35 | 40 50 | 40 | 45 60 | 45 | 50 1. What is the dependent variable? 2. What is the independent variable? 3. What was the average thickness of annual rings for 40 year old tree in Forest A? 4. What is it called when you make predictions within given data, such as made in question #3? 5. What was the mean thickness of annual rings for all trees found in Forest B? 6. Based on the data shown, what can be concluded about the comparative health of Forest A & B? 7. What type of relationship (constant, direct, or indirect) exists between the age of trees and the average thickness of the tree's rings? Explain

Background: The thickness of the annual rings indicates what type of environmental situation was occurring at the time of the tree's development. Tree ring patterns provide clues about climates of the past. Each year, as a tree grows, it adds a light ring of new growth to its trunk during the spring and early summer, when growing quickly, and a thinner, dark ring in the fall, when growth is slower. A thin ring usually indicates a rough period of development such as lack of water, forest fires, or insect infestation. On the other hand, a thick ring means a prosperous period of development. Use the information from the data table below to create a proper scientific graph and to answer the corresponding questions.

Age of trees (in years) | Average Thickness of Annual Rings in Forest A (millimeters) | Average Thickness of Annual Rings in Forest B (millimeters)
10 | 20 | 25
20 | 25 | 30
30 | 30 | 35
40 | 35 | 40
50 | 40 | 45
60 | 45 | 50

1. What is the dependent variable?
2. What is the independent variable?
3. What was the average thickness of annual rings for 40 year old tree in Forest A?
4. What is it called when you make predictions within given data, such as made in question #3?
5. What was the mean thickness of annual rings for all trees found in Forest B?
6. Based on the data shown, what can be concluded about the comparative health of Forest A & B?
7. What type of relationship (constant, direct, or indirect) exists between the age of trees and the average thickness of the tree's rings? Explain

Background: The thickness of the annual rings indicates what type of environmental situation was occurring at the time of the tree's development. Tree ring patterns provide clues about climates of the past. Each year, as a tree grows, it adds a light ring of new growth to its trunk during the spring and early summer, when growing quickly, and a thinner, dark ring in the fall, when growth is slower. A thin ring usually indicates a rough period of development such as lack of water, forest fires, or insect infestation. On the other hand, a thick ring means a prosperous period of development. Use the information from the data table below to create a proper scientific graph and to answer the corresponding questions.

Age of trees (in years) | Average Thickness of Annual Rings in Forest A (millimeters) | Average Thickness of Annual Rings in Forest B (millimeters)
10 | 20 | 25
20 | 25 | 30
30 | 30 | 35
40 | 35 | 40
50 | 40 | 45
60 | 45 | 50

1. What is the dependent variable?
2. What is the independent variable?
3. What was the average thickness of annual rings for 40 year old tree in Forest A?
4. What is it called when you make predictions within given data, such as made in question #3?
5. What was the mean thickness of annual rings for all trees found in Forest B?
6. Based on the data shown, what can be concluded about the comparative health of Forest A B?
7. What type of relationship (constant, direct, or indirect) exists between the age of trees and the average thickness of the tree's rings? Explain

Added by Nicholas B.

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