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The following is a set of individual measurements:
3 5 4 5 6 3 4 3 2 4 5 6 5 7 6 4 5 5 8 7 6 6 7 7 4
Find the control limits for the range chart.
Suggested Answer: A
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22 comments · newest first
AN
An
2 days ago
I feel like it’s asking for something specific. Maybe option D?
LE
Lea
7 days ago
This question is tricky! I’m not sure about the control limits.
IN
Ines
12 days ago
I’m confused! I might just go with D too.
RO
Rodrigo
17 days ago
C doesn’t make sense. The range is larger than that.
AD
Adelina
23 days ago
I feel like B is a safe bet. The average range might fit.
FI
Filiberto
28 days ago
I think A could be possible. The values seem close.
MA
Makeda
1 month ago
I agree, D seems right. The range is too wide for the other options.
AL
Aliza
1 month ago
This question is tricky! I’m leaning towards option D.
RY
Ryann
1 month ago
Totally agree, none of these options seem right!
DA
Daron
2 months ago
Wait, are we sure about those limits?
LE
Lemuel
2 months ago
Definitely none of the above!
SY
Sylvia
2 months ago
I think the control limits should be higher than 5.1.
LY
Lyndia
2 months ago
The range is 8 - 2 = 6.
CO
Cordie
2 months ago
I don't think any of these options are right.
SA
Sarah
2 months ago
Wait, are we sure about those limits?
LO
Long
3 months ago
Definitely none and 4.2!
GL
Gladys
3 months ago
I think the control limits are none and 5.1.
KA
Katie
3 months ago
The range is 8 - 2 = 6.
AL
Alexia
3 months ago
I’m leaning towards option D, but I really need to double-check my calculations for the range before I commit to that answer.
AL
Allene
3 months ago
This question seems similar to the practice problems we did on control charts, but I feel like I might mix up the limits.
AP
Apolonia
4 months ago
I think the control limits for the range chart are based on the average range, but I can't recall how to calculate that from the data provided.
RE
Ressie
5 months ago
I remember we talked about calculating the range and then using it to find the control limits, but I’m not sure about the exact formulas.