Across
- 3. data which is shown to be valid
- 7. the variable which the investigator changes
- 8. the maximum and minimum values of a variable
- 9. an experiment which can be repeated by the investigator to give the same results
- 10. information that has been collected
- 13. marking a scale on a measuring instrument
- 14. the readings divided by the total number of readings
- 18. the interval within which the true value can be expected to lie
- 21. a proposal intended to explain facts or observations
- 22. the value which is measured when changing the independent variable
- 23. a measurement close to the true value
- 24. the value that would be obtained in an ideal measurement
- 25. variable which is kept the same
Down
- 1. an error where a measuring system gives a false reading when the true value is measured as zero
- 2. the quantity between readings
- 4. variables that have values that are labels
- 5. a type of error calculated by the difference between a measured value and the true value
- 6. an experiment which can be repeated by others to give the same results
- 11. result caused by random uncertainty
- 12. a test where only the independent variable has affected the dependent variable
- 15. results that have been attained using a suitable investigative procedure
- 16. a type of error where the readings differ from the true value by a consistent amount each time a measurement is made
- 17. a set of measurements where there is little spread about the mean value
- 19. variables that can be counted or measured
- 20. the smallest change in the quantity being measured