A Machine Is Supposed to Fill Boxes to a Weight

question 20

Essay

A machine is supposed to fill boxes to a weight of 50 pounds. Every 30 minutes a sample of four boxes is tested;
the results are given below.

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Definitions:

Intelligence Test

A standardized test designed to measure human intelligence and cognitive capabilities.

Unitary Phenomenon

An event or occurrence that is considered as a single, indivisible entity, often in the context of scientific observation or theory.

IQ Test

A standardized test designed to measure human intelligence and cognitive ability in relation to the average performance of others in the same age group.

Variability

The degree to which scores in a frequency distribution depart from the central value.