Thursday
November 27, 2014

Homework Help: Statistics

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

First Name:
School Subject:
Answer:

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 ...
university-health economics - Suppose hospital (A) has 500 patients/day and ...
Statistics - I have a problem I need some help on. I have answered parts. Any ...
Statistics - A specially equipped trauma emergency room at a hospital has been ...
Statistics - I have a problem I need some help on. I answered some. For many ...
math - Over the past two weeks, Jane earned $292 and $193 respectively, at her ...
math - Over the past two weeks, Jane earned $292 and $193 respectively, at her ...
MATH - The Megabuck Hospital Corp. is to build a state-subsidized nursing home ...

Search
Members