Posted by **Brenda** on Saturday, November 12, 2011 at 5:48pm.

University Hospital has been concerned with the number of errors found in its billing statements to patients. An audit of 100 bills per week over the past twelve weeks revealed the following number of errors:

Week Number of Errors

1 4

2 5

3 6

4 6

5 3

6 2

7 6

8 7

9 3

10 4

11 3

12 4

What type of chart should be used?

p-chart

R-chart

x-bar chart

c-chart

Develop control charts with z = 3: (a) CL, (b) UCL, (c) LCL.

Note. If the lower control limit is negative, round the LCL to zero.

(a) errors (Round your answer to 2 decimal places, the tolerance is +/-0.01)

(b) (Round your answer to 2 decimal places, the tolerance is +/-0.05)

(c) (Round your answer to 2 decimal places, the tolerance is +/-0.05)

Is the process in control?

The process is in control

The process is not in control

## Answer This Question

## Related Questions

- statistics(HELP)ASAP - an art school knows that in general they go through 38 ...
- statistics(HELP)ASAP - an art school knows that in general they go through 38 ...
- statistics - A state has averaged one small business failure per week over the ...
- Statistics - I have a problem I need some help on. I have answered parts. Any ...
- Statistics - I have a problem I need some help on. I answered some. For many ...
- Statistics - A specially equipped trauma emergency room at a hospital has been ...
- MATH - The Megabuck Hospital Corp. is to build a state-subsidized nursing home ...
- university-health economics - Suppose hospital (A) has 500 patients/day and ...
- Statistics - Electricity bills in a certain city have mean $108.73. Assume the ...
- data - Given the following business scenario, create a Crow’s Foot ERD using a ...

More Related Questions