click below
click below
Normal Size Small Size show me how
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 |