You can learn more about surveys and statistics through the following links:
Understanding and Evaluating Survey Research:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4601897/
Fundamentals of Survey Research Methodology:
https://www.mitre.org/sites/default/files/pdf/05_0638.pdf
What is survey sampling: Understanding methodology and sampling techniques:
https://blog.surveyplanet.com/what-is-survey-sampling-unders...
OXFAM: Understanding survey sampling:
https://oxfamilibrary.openrepository.com/bitstream/handle/10...
Some general knowledge on surveys:
https://en.wikipedia.org/wiki/Survey_methodology
Statistics learning course on Kahn Academy:
https://www.khanacademy.org/math/statistics-probability
These links will hopefully help you understand surveys and statistics more. If you need more links, let me know. I can find a lot more courses on these topics if you need.
You can learn more about surveys and statistics through the following links:
Understanding and Evaluating Survey Research:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4601897/
Fundamentals of Survey Research Methodology:
https://www.mitre.org/sites/default/files/pdf/05_0638.pdf
What is survey sampling: Understanding methodology and sampling techniques:
https://blog.surveyplanet.com/what-is-survey-sampling-unders...
OXFAM: Understanding survey sampling:
https://oxfamilibrary.openrepository.com/bitstream/handle/10...
Some general knowledge on surveys:
https://en.wikipedia.org/wiki/Survey_methodology
Statistics learning course on Kahn Academy:
https://www.khanacademy.org/math/statistics-probability
These links will hopefully help you understand surveys and statistics more. If you need more links, let me know. I can find a lot more courses on these topics if you need.