Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem.   Twelve​ samples, each containing five​ parts, were taken from a process that produces steel rods at Emmanual​ Kodzi's factory. The length of each rod in the samples was determined. The results were tabulated and sample means and ranges were computed.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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Author:HOUGHTON MIFFLIN HARCOURT
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Chapter11: Data Analysis And Displays
Section: Chapter Questions
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Refer to
Table S6.1 - Factors for Computing Control Chart Limits (3 sigma)
for this problem.
 
Twelve​ samples, each containing five​ parts, were taken from a process that produces steel rods at Emmanual​ Kodzi's factory. The length of each rod in the samples was determined. The results were tabulated and sample means and ranges were computed. The results​ were:

 

Sample    Sample Mean (in.)    Range (in.)    Sample    Sample Mean (in.)    Range (in.)
1    10.604    0.033    7    10.601    0.041
2    10.602    0.041    8    10.605    0.034
3    10.591    0.034    9    10.595    0.027
4    10.604    0.051    10    10.601    0.029
5    10.597    0.031    11    10.603    0.039
6    10.597    0.036    12    10.604    0.047

For the given​ data, the

x ​= ? inches ​(round your response to four decimal​ places).
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