30 Samples Production Thirty samples of size 4 were drawn from a production process.The data are shown below. 
-{30 Samples Production Narrative} Looking at the 
chart developed in a previous question,you see indications of a possible level shift as well as cyclic variation.Explain how the chart shows this,and give a possible explanation.
Definitions:
Infertile
The inability to conceive a child after regular, unprotected sexual intercourse over a certain period of time, typically a year.
X Chromosome
One of the two sex chromosomes, present in both males (XY) and females (XX), that carries genes responsible for the development of many traits.
Central Nervous System
The complex of nerve tissues that controls the activities of the body, comprising the brain and the spinal cord.
Huntington's Disease
A hereditary neurodegenerative disorder characterized by motor, cognitive, and psychiatric symptoms.
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