Graphs

Question 1

Bipolar Analysis Purpose (1)

Answer 1

used to compare areas, people or gathered data (questionnaire)

Question 2

Bipolar Analysis Advantages (2)

Answer 2

1. a large amount of data can be plotted in a relatively small space
2. patterns can be identified quickly and easily

Question 3

Bipolar Analysis Disadvantages (2)

Answer 3

1. the results are based on peoples perceptions which may be biased
2. the technique can only be used for two or three areas otherwise the map will become cluttered and confusing

Question 4

Dispersion Diagrams Purpose (1)

Answer 4

to display the main patterns in the distribution of data

Question 5

Dispersion Diagram Advantage (5)

Answer 5

1. shows the spread from the mean
2. is easily understood
3. gives an indication of the reliability of the data
4. can compare graphs easily
5. anomalies can be shown

Question 6

Dispersion Diagram Disadvantages (3)

Answer 6

1. data must be in a form that can be placed along a numbered line
2. works best with lots of data
3. the standard deviation can easily be manipulated and can be biased

Question 7

Kite Diagrams Purpose (1)

Answer 7

displays the density and distribution of plant and animal species

Question 8

Kite Diagrams Advantages(3)

Answer 8

1. useful for displaying changes over distance
2. visually clear and easy to distinguish one category from another
3. comparisons can easily be made

Question 9

Kite Diagrams Disadvantages (3)

Answer 9

1. visually subjective as the scale influences the visual effect
2. only works for a specific range of data
3. time consuming to construct by hand

Question 10

Logarithmic Graphs Purpose (1)

Answer 10

used when the values are so large that they cant be shown on a linear graph

Question 11

Logarithmic Graphs Advantages (3)

Answer 11

1. useful for studying data that change exponentially
2. can display a much larger range of data
3. allow comparison between trends in small and large values

Question 12

Logarithmic Graphs Disadvantages (3)

Answer 12

1. zero cant be plotted
2. positive and negative values cannot be plotted on same graph
3. can be difficult to plot values accurately

Question 13

Polar Graphs Purpose (1)

Answer 13

shows direction and magnitude

Question 14

Polar Graphs Advantages (4)

Answer 14

1. useful when one variable is directional
2. lots of data can be put on one graph and compared
3. visual
4. can compare multiple sets of data

Question 15

Polar Graphs Disadvantages (3)

Answer 15

1. only useful with limited type of data
2. hard to make suitable scale
3. can distort higher values making them difficult to interpret

Question 16

System Diagrams Purpose (1)

Answer 16

graphical device used to communicate complex relationships

Question 17

System Diagrams Advantages (5)

Answer 17

1. an important tool for planning
2. provides an overview of the system
3. demonstrate the relationship between various stages
4. easy to read and follow
5. key features are easily identified

Question 18

System Diagrams Disadvantages (3)

Answer 18

1. require a lot of planning to ensure all stages are included
2. can become complex if too much information is displayed
3. takes a long time to produce

Question 19

Scatter Graphs Purpose (1)

Answer 19

shows a relationship or correlation between two sets of paired data

Question 20

Scatter Graphs Advantages (3)

Answer 20

1. large amounts of data can be plotted
2. patterns can be identified quickly
3. anomalies can be identified

Question 21

Scatter Graphs Disadvantages (3)

Answer 21

1. can only display two variables
2. easily make mistakes
3. limited range of data

Question 22

Triangular Graphs Purpose (1)

Answer 22

used to represent different types of data are involved and are useful when there are three components

Question 23

Triangular Graphs Advantages (4)

Answer 23

1. useful with components of three
2. large amount of data can be plotted
3. dominant character can be identified
4. clusters emerge after plotting

Question 24

Triangular Graphs Disadvantages (3)

Answer 24

1. data must be presented as percentages
2. difficult to interpret
3. limited range of data