Multiple Choice
Use the information below to answer the following question(s) .Use the "Factors for Control Limits" Table A.3 from the textbook where required:
A control chart needs to be developed to determine if the temperature for a process is within control limits.Five samples each having 4 observations are taken and the sample measurements (temperature in degrees F) are noted in the table below:
-What is the LCL for a X-bar chart?
A) 253.218
B) 247.852
C) 250
D) 252.527
Correct Answer:

Verified
Correct Answer:
Verified
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