WorksheetsL3 DT Module 1
Total questions: 16
Worksheet time: 9mins
Which of the options below might we see at the bottom of the DIKW model aka Knowledge Pyramid
Knowledge
Wisdom
Data
Information
What does IoT stand for?
Internet of Things
Interconnection of Things
Interconnected Office Throughput
Which of the below are examples of key data formats we might use?
Spreadsheet / CSV
Binary Files
XML
JSON
Relational Tables
What data format does the image represent?
JSON
XML
Binary file
Plain text
(a) is data which have been processed in some way to give it meaning.
A spreadsheet would typically hold what type of data?
Structured
Unstructured
JSON is an example of
Structured data
Semi-structured data
Unstructured data
True or false: Quantitative variables will typically contain words.
True
False
Which type of data source described data which is publicly available but has restriction on its use or redistribution?
Open Data
Public Data
Proprietary Data
(a) data sources are ones which are provided in a machine readable format to the public?
Stock level data for an online shop is an example of
Administrative data
Operational data
Trur or False: Administrative data is often derrived from operational data?
False
True
There are _ stages in the data lifecycle.
(a)
In relation to working with data, ETL stands for
Extract, transfer, load
Export, transition, live
Export, try, load
Extract, transform, load
In the data analytics lifecycle, which stage is where data is gathered from sources and cleaned?
Business understanding
Data understanding
Data preparation
Validation
Mean, Median and Mode are examples of
Measures of central tendency
Measures of variability or speed
Linear regression
Clustering
