Sample Means and Ranges Were Obtained for Five Samples of 10

question 11

Multiple Choice

Sample means and ranges were obtained for five samples of 10 units per sample from a production process.Assume the process was considered to be in control during the period these samples were collected.The results are as follows: 1 10.58 .23
2 9) 97 .25
3 9) 99 .21
4 10.23 .28
5 10.23 .28
LCL for the three sigma X chart for the process is approximately (for a sample size of 10, A2 = 0.31) :

• A)10.12.
• B)10.05.
• C)10.94.
• D)9.44.
• E)9.75.

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Definitions:

Aneroid Sphygmomanometers

A type of blood pressure monitor that uses a mechanical gauge without the need for mercury to measure blood pressure.

Auscultated Blood Pressure

Blood pressure as measured by listening with a stethoscope.

Palpatory Method

A technique used in medicine to feel the body with hands to determine the size, consistency, and location of certain body parts or abnormalities.

Korotkoff Sounds

The sounds a doctor listens for when taking blood pressure with a stethoscope and sphygmomanometer, marking the systolic and diastolic pressures.