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STAT110
Lecture #14 - 9/29
| Question | Answer |
|---|---|
| assign a number to represent a property of a person or thing | measure |
| device used to make a measurement | instrument |
| used to record measurements (feet, pounds, inches, gallons) | units |
| result of a measurement that takes different values for people or things that differ in what were measuring | variable |
| measure of a property if it is relevant or appropriate as a representation of that property | valid |
| systematic deviation from the true value of the property | bias |
| repeated measurements on the same individual gave different results | random error |
| when random error is small | reliable |