the first task for subject Data Visualisation

1. EXERCISE 1
• It is predicted that the Android mobile OS will soon become the
number 2 smart-phone operating system. Imagine your job is to assist a
product manager to create a simple means to help her compare the
sales of Android phones to the performance of other smart-phones. She
primarily wants to know how the competitive landscape may be shifting.
• This is an individual work.
• Submit your visualisation.

2. TOP 5 SMART-PHONE VENDORS FOR
FIVE QUARTERS MARKET SHARE
CHANGES (IN %)
1Q11 2Q11 3Q11 4Q11 1Q12
Samsung 11.3 17.0 22.8 22.5 29.1
Apple 18.3 18.8 13.8 23.1 24.2
Nokia 23.8 15.4 13.6 12.2 8.2
RIM 13.6 11.5 9.6 8.1 6.7
HTC 8.9 10.7 10.3 6.4 4.8
Others 24.1 26.5 30.0 27.8 27.0

3. EXERCISE 1(ANSWER)
(using tableau public)