Quality control is maintained in a factory with the help of mean and standard deviation o charts. Ten items are chosen in every sample, 18 sampies in all were chosen when ER was 595'8 and Eo was 8:28. Determine 30 limits for and a charts. You may use the foliowing factors for finding 3o limits,

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Quality control is maintained in a factory with the
help of mean X and standard deviation o charts. Ten items are
chosen in every sample, 18 sampies in all were chosen when EF
was 595'8 and Eo was 8'28. Determine 30 limits for F and a
charts, You may use the following factors for finding 3, limits,
Transcribed Image Text:Quality control is maintained in a factory with the help of mean X and standard deviation o charts. Ten items are chosen in every sample, 18 sampies in all were chosen when EF was 595'8 and Eo was 8'28. Determine 30 limits for F and a charts, You may use the following factors for finding 3, limits,
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