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Question
If 
= 23 ounces, σ = 0.4 ounces, and n = 16, what will be the 3σ control limits for the x-bar chart?
A) 21.8 to 24.2 ounces
B) 23 ounces
C) 22.70 to 23.30 ounces
D) 22.25 to 23.75 ounces
E) 22.90 to 23.10 ounces
Answer
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Weight Day
Package 1
Package 2
Package 3
Package 4 Monday
23
22
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24 Tuesday
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19
21 Wednesday
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21 Thursday
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19 Friday
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