Parts Manufactured by an Injection Molding Process Are Subjected to a Compressive

question 80

Multiple Choice

Parts manufactured by an injection molding process are subjected to a compressive strength test.We wish to monitor the compressive strength of the parts manufactured by this process using both and s charts.Samples of size 9 are to be taken at regular intervals,and their mean compressive strength (in psi = pounds per square inch) and standard deviation are plotted on the charts in time order.The target values for the compressive strengths are a mean of  = 80 psi and a standard deviation of  = 3 psi.The control chart constants are (partially) reproduced below. What is the center line for the s chart?

• A)0.7 psi
• B)2.9 psi
• C)3 psi
• D)5.1 psi

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Definitions:

Physical Growth

The increase in size, strength, and physical capabilities of an organism over time, often focused on during childhood and adolescence.

Adequate Health Care

The provision of necessary medical services and treatments that meet a satisfactory level of quality and accessibility.

Poor Nutrition

A dietary condition resulting from the consumption of insufficient, excessive, or imbalanced amounts of essential nutrients, leading to health problems.

Body Mass Index

A measure that uses height and weight to estimate a person's body fat, often used to determine if they are underweight, normal weight, overweight, or obese.