Question

9. A control chart for defects per unit uses 3-sigma limits. The central line on the control chart is at 2.0. The limits vary with the value of n. Determine the correct position of theses upper and lower control limits when n=6: (A) 3.26, 0.73 (B) 3.73, 0.27 (C) 2.63, 1.37 (D) 2.29, 0.00 (E) None of the above

          9. A control chart for defects per unit uses 3-sigma limits. The central line on the
control chart is at 2.0. The limits vary with the value of n. Determine the
correct position of theses upper and lower control limits when n=6:
(A) 3.26, 0.73
(B) 3.73, 0.27
(C) 2.63, 1.37
(D) 2.29, 0.00
(E) None of the above

9. A control chart for defects per unit uses 3-sigma limits. The central line on the
control chart is at 2.0. The limits vary with the value of n. Determine the
correct position of theses upper and lower control limits when n=6:
(A) 3.26, 0.73
(B) 3.73, 0.27
(C) 2.63, 1.37
(D) 2.29, 0.00
(E) None of the above

Added by Mario C.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Jainendra Kumar

Step 1

We know that the central line on the control chart is at 2.0. Show more…

Show all steps

Thanks for your feedback!

A control chart for defects per unit uses 3-sigma limits. The central line on the control chart is at 2.0. The limits vary with the value of n. Determine the correct position of these upper and lower control limits when n = 6: (A) 3.26, 0.73 (B) 3.73, 0.27 (C) 2.63, 1.37 (D) 2.29, 0.00 (E) None of the above.