Unit 1 – Collection of Data

Unit 1 – Introduction Link

1.1 Describing Data: Link

1.2 Grouping Data Link
Part 2 Link

1.3 Primary and Secondary Data Link
Review of Homework Link
Video: What is Data?  https://youtu.be/2zSYAlonQIQ
Video: Types of Data https://www.youtube.com/watch?v=Fz_lOkIgwVI

1.4 Populations Link

1.6 Random sampling Link
Additional videos to watch: https://www.youtube.com/watch?v=7rgdHNfVKio

1.7 Non-random Sampling Link

1.8 Stratified sampling Link
Corbett Maths video – https://youtu.be/fEaP-3ocMnQ



1.9 Collection of Data Link
Additional Video: Non- taught class – Simulation Link
Video link on Simulation – please watch Link  – Hussain Ali resource

1.10 Questionnaires and Interviews Link
You tube Maths 4 real video – https://youtu.be/CnPNyN5jI9k

1.11 Problems with collected data Link
Video link:  https://www.youtube.com/watch?v=4w7B0HDNZUI Hussain Ali Resource

1.12 Controlling extraneous variables Link

1.13 Hypotheses Link

1.14 Designing Investigations Link

Check up Class 13 – Review of Unit 1 – exam style questions – check in
Please print the following of and stick into your book – Summary