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Question 1

What is accuracy in data collection

Answer 1

Accuracy refers to how accurately the data is collected, if data shows inaccurate information, it could mislead to poor decisions making

Question 2

2 common sources of inaccuracies and example

Answer 2

Faulty data source: using a outdated or uncorrected data

Human error: making a mistake during data entry or processing for example typing out wrong digit in a financial report can cause major business miscounlation

Question 3

How to ensure accuracy

Answer 3

Using reliable sources, unbiased survey, verify data, detect if there a duplicate

Question 4

What is scalability in data visualisation

Answer 4

Data scalability ensure that days visualisation system can effectively handle and display large dataset without issue

Question 5

What is data scalability

Answer 5

Data scalability allow to manage increasing data without slowing down

Question 6

What is computational scalability

Answer 6

Computational scalability ensure effective computational rendering and user interaction as data increase