Planning

Question 1

Precise

Answer 1

Don’t vary much from the mean, reduced by random error

Question 2

Repeatable and reproducible

Answer 2

Same repeats w same methods,eq= same results and
Diff person, slightly diff method= same results

Question 3

Valid

Answer 3

Answers orignal q, controll all v to test what’s required

Question 4

Accurate

Answer 4

Close to true answ
Human intp of mst can reduce acc

Question 5

Designing a good exp

Answer 5

Only 1v should change and other constant so only iv affects dv
Neg controls to check

Question 6

Suggest imp to methods

Answer 6

Rep 5 times+ mean= red random errror so precise
Repeats= sim results so data is repeatable and exp is reproducable

Question 7

Selecting apparatus

Answer 7

Measuring app has to be sensistive,
Appropriate for function and app technique

Question 8

Limitations

Answer 8

1 species of 1 location, same day,time
Data analysed stastically for sig
Correlation doesn’t mean causation