Ch8Def - that property bias systematic deviation from the...

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STAT 110 Chapter 8 Definitions measure – assign a number to represent a property of a person or thing instrument – device used to make a measurement units – used to record the measurements (feet, pounds, inches, gallons, etc.) variable – the result of a measurement that takes different values for people or things that differ in whatever we’re measuring valid – a variable is a valid measure of a property if it is relevant or appropriate as a representation of
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Unformatted text preview: that property bias systematic deviation from the true value of the property random error repeated measurements on the same individual give different results reliable when random error is small measured value = true value + bias + random error...
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Ch8Def - that property bias systematic deviation from the...

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