Data analysis tools

Question 1

What are data tables & the use?

EXAMPLE

Answer 1

• Data tables are a display of info in rows. Used to present info in a simple was, easier to interpret.
• Days in one column, number in the other, showing how many people came to school each of the days.

Question 2

What is visualization & the use?

EXAMPLE

Answer 2

• Visualization is a form which information is shown, without words, just visual. Used to represent data, in a clearer format.
• For example, a pie chart showing the % of each method used to get to school.

Question 3

What are trends & pattern identification & the use?

EXAMPLE

Answer 3

• Trends are a reoccurring pattern showing that a certain activity happens multiple times and is common. Used to highlight a point with a evidence.
• Graphs showing the common high income every summer and winter seasons.

Question 4

What is data cleaning/cleansing & the use?

EXAMPLE

Answer 4

Is the process of detecting and correcting (or removing) corrupt or inaccurate information on the database.

Question 5

What is geographic information system & the use?

EXAMPLE

Answer 5

• Is a system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data.
• Map showing which areas have the most McDs stores in the UK