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Sampling & questionnaires###
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Worksheets, presentations, worked examples & more PP questions
Mathematics
Stratified sample 3
Sample 2 P2 Q11
Numeracy
Interpret questionnaire results
Nov 2017 P1 Q1a
Suggest groups for questionnaire ans
Nov 2019 P1 Q1
Valid questionnaire?
Nov 2018 P1 Q3
Use random nos. to create sample
Nov 2016 P2 Q6b
Stratified sample 2
Nov 2016 P2 Q6a
How to do a systematic sample
June 2017 P2 Q7a
systematic sampling @ concert
Nov 2018 P1 Q7a
Use number table for random sample
Nov 2019 P1 Q8c
Strat sample given random nos.
Nov 2017 P2 Q9b
True/false re random & strat sample
Nov 2016 P1 Q9
Stratified sample 1
June 2017 P2 Q9
Stratified sample true/false
Nov 2017 P2 Q9a
Random & stratified sampling
Sam 1 P2 Q10
stratified sample 30 from 250
Nov 2018 P1 Q10
stratified sample 30 from 240
Summer 2019 P1 Q11b
strat sample gives wrong answer
Sample 2 P1 Q11