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The reported Cpk for a process with an average of 104 units, a spread of 18 units and upper and lower specification limits of 122 and 96 units would be?
Suggested Answer: A
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35 comments · newest first
EL
Ellen
11 months ago
2.00 seems way too high for this process.
MY
Myra
11 months ago
I calculated it too, and I got 1.00.
BI
Billy
11 months ago
Wait, how did you get that? I thought it was lower.
LE
Leonida
12 months ago
Definitely think it's B, seems right to me!
JA
Jaime
12 months ago
Cpk is calculated using the formula (USL - mean) / (3 * sigma).
FR
Francisca
12 months ago
I feel like the answer might be closer to 1.00, but I’m not completely confident about the calculations we did in class.
AL
Alonso
1 year ago
If I recall correctly, Cpk is the minimum of the two calculations for the upper and lower limits, but I can't remember the exact values we need to plug in.
SH
Sharika
1 year ago
I remember practicing a similar question where we had to find Cpk, and I think it involves the mean and the specification limits.
LI
Lindsey
1 year ago
I think we need to calculate the Cpk using the formula, but I'm a bit unsure about how to handle the spread and limits correctly.
CA
Caitlin
1 year ago
Ugh, I hate these process capability questions. There are so many formulas to remember. Let me see if I can walk through this slowly and not overthink it.
SH
Shelton
1 year ago
This looks straightforward. The Cpk formula is (USL - LSL) / (6 * sigma), and the question provides all the necessary values. I think I can work this out.
RA
Rachael
1 year ago
Hmm, I'm a bit unsure about this one. The process average and spread are given, but I'm not sure how to use that to calculate Cpk. I'll have to review the Cpk formula again.
AH
Ahmed
1 year ago
Okay, let's think this through step-by-step. I remember the Cpk formula is (USL - LSL) / (6 * sigma), so I just need to plug in the values given.
MA
Marshall
1 year ago
I think the answer is DB01. That transaction allows you to monitor the database, which would be important to check before a migration, right?
EL
Elvera
1 year ago
Did someone say Cpk? That's my favorite process capability index! Time to channel my inner statistician.
LA
Lakeesha
1 year ago
D) 2.00
KE
Keith
1 year ago
C) 1.00
RO
Rosina
1 year ago
B) 0.89
LA
Lazaro
1 year ago
A) 0.5
KA
Kallie
1 year ago
104 units, huh? Sounds like a process that's been hitting the gym a little too hard. I bet the Cpk is somewhere around 0.89.
AL
Alberta
1 year ago
Hold on, let me grab my trusty Cpk calculator. This one's gonna be a brain-teaser, I can feel it.
JE
Jeffrey
1 year ago
Let's double-check our calculations to be sure.
JE
Jeffrey
1 year ago
Are you sure? I calculated it as C) 1.00.
JE
Jeffrey
1 year ago
I think the answer is B) 0.89.
DE
Delmy
2 years ago
Hmm, I'm going to have to crunch the numbers on this one. The specs are pretty tight, so I'm guessing the Cpk is around 1.0.
CA
Cassi
1 year ago
I agree, 1.00 seems like the right answer.
CO
Corinne
1 year ago
I'm leaning towards 1.00 as well.
TA
Tamekia
1 year ago
I believe it's closer to 1.00.
KA
Kaitlyn
1 year ago
I think the Cpk would be 0.89.
CH
Chandra
2 years ago
Whoa, this process has a lot of spread! The Cpk is definitely not going to be high with that much variation.
MA
Marylyn
1 year ago
B) 0.89
JE
Jenifer
1 year ago
A) 0.5
IR
Ira
2 years ago
I'm not sure, but I think the correct answer is C) 1.00.
WE
Wenona
2 years ago
I agree with Ailene, the Cpk value would be 0.89.
AI
Ailene
2 years ago
I think the answer is B) 0.89.