Calculate lcl and ucl for a range chart

Assignment Help Management Information Sys

Reference no: EM131162585

Using the information:

a. Calculate LCL and UCL for a range chart.

b. Construct a corresponding control chart and identify any violations of the limits.

Exercise 1:

Complaints of late responses to patient calls in a nursing unit trigger a study by the decision support department, requested by the nursing manager. A time study team made observations and compiled the data in Table EX 12.5.

The measurements are recorded in minutes (rounded to the nearest minute) of response time once the patient has pressed the call button.

a. Using the standard deviation approach, construct 99.7 percent confidence limits for patient call response times.

b. Develop an appropriate control chart for the days.

c. Are there any days in violation of the confidence limits?

Reference no: EM131162585

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