3.5 data analysis tools

Question 1

what is a data table and an example of what it is used for

Answer 1

a table of data used to store lots of information e.g. used in data bases to store customer records

Question 2

what is the visualisation of data

Answer 2

using graphs and charts so that data is easy to understand and interpret
e.g. to show the number of parking tickets issues over the last 6 months

Question 3

what is trend and pattern identification

Answer 3

study graphs and charts for any trend identification using a comparison line graphs.
e.g. show the trend in sales

Question 4

what is data cleaning

Answer 4

the detection and removal of errors, inconsistencies, and out of date data to improve the quality of the data.

Question 5

what is Geographic information system (GIS) / location mapping

Answer 5

used to add geographic data to any analysis.
used to capture, store, manipulate, analyse, manage and present all types of geographical data