Random Samples of Four Items Are Selected from a Manufacturing

question 33

Multiple Choice

Random samples of four items are selected from a manufacturing process at regular intervals,and a certain quality characteristic is measured. After 25 samples,ΣX = 15,350 and ΣR = 411.4. To construct a mean chart,what is the value for the centerline?

• A)15,350
• B)614
• C)411.4
• D)3837.5

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Definitions:

Hallucinations

Sensory experiences that appear real but are created by the mind, without any external stimuli.

Females

Individuals of the sex that typically possess two X chromosomes and are capable of bearing offspring or producing eggs.

Males

The term refers to the male gender or individuals who are biologically characterized by the XY chromosome pair.

Psychoactive Drug

Substances that affect the mind, altering mood, perception, consciousness, or behavior.