✓ Data Presentation (AO1 + AO3)

Question 1

What are the 4 Types of Data Presntation?

Answer 1

Tables
Bar Charts
Line Graphs
Histograms

Question 2

How are Tables used to present data?

Answer 2

results tables summarise the main findings of data
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usually data totals are presented rather than percentages
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relevant measures of dispersion/central tendency are shown

Question 3

Strength of using Tables to present data?

Answer 3

• easy to see results & create

Question 4

Weakness of using Tables to present data?

Answer 4

• can be hard to spot trends in data

Question 5

How are Bar Charts used to present data?

Answer 5

bar charts show nominal data in the form of categories to be compared
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bar charts can show percentages, means, totals, ratios along the y axis
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the bars must have a gap between each bar

Question 6

Strength of using Bar Charts to present data?

Answer 6

• simple to do & read

Question 7

Weakness of using Bar Charts to present data?

Answer 7

• not suitable for continuous data

Question 8

How are Line Graphs used to present data?

Answer 8

shows continuous data
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it uses points connected by lines to show how something changes in value, for instance, over time
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the IV is plotted on the x-axis & the DV on the y-axis

Question 9

Strength of using Line Graphs to present data?

Answer 9

• shows continuous data

Question 10

Weakness of using Line Graphs to present data?

Answer 10

• complicated to create & read

Question 11

How are Histograms used to present data?

Answer 11

shows ordinal data (can be put in order) that is continuous & occurs as a frequency hence there are no space between the bars
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the continuous scores are placed along the x-axis in equal intervals
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frequency scores are placed along the y-axis

Question 12

Strength of using Histograms to present data?

Answer 12

• shows continuous data

Question 13

Weakness of using Histograms to present data?

Answer 13

• complicated to create & read