n R chart is used to monitor Question 1 options: A) B) C) D) Save Question 2 (2

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n R chart is used to monitor

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Question 2 (2 points)

Upper and lower control limits of a control chart are based on

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Question 3 (2 points)

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Question 4 (2 points)

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Question 6 (4 points)

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Question 7 (2 points)

Find the indicated critical z value.

Find the critical value z/2 that corresponds to a 91% confidence level.

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Question 8 (2 points)

Find the indicated critical z value.

Find the value of -z/2 that corresponds to a confidence level of 96.68%.

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Question 9 (2 points)

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Question 10 (2 points)

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Question 11 (2 points)

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A)

the correlation of a process.

B)

the center of a process.

C)

both the center and spread of a process.

D)

the spread of a process.

Explanation / Answer

Question 9 : yes

Question 10 : No

Question 7 :

Critical value of z at 91% confidence interval = 1.695 = 1.70

Question 8 :

The critical value of z at 96.68 % confidence interval is = -2.1296= -2.13

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