Interpret questionnaire results

Nov 2017 P1 Q1a

Suggest groups for questionnaire ans

Nov 2019 P1 Q1

Valid questionnaire?

Nov 2018 P1 Q3

stratified sampling

Nov 2020 P1 Q4

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

Create stratified sample

Nov 2020 P1 Q11a

strat sample gives wrong answer

Sample 2 P1 Q11