Statistics-AW-Q256

Statistics-AW-Q256 Online Services

 

Problem 1:
 
Computer upgrade times (in minutes) are being evaluated. Samples of five observations each have been taken, and the results are listed. Using the table below determine upper and lower control limits for mean and range charts, and decide if the process is in control.
 

  1. Calculate the Upper Control Limit and Lower Control Limit for the Mean chart.
    b. Calculate the Upper Control Limit and Lower Control Limit for the Range chart.
    c. Plot the Mean Chart and the Range Chart.
    d. Decide if the process is in control or not.

 

Sample
123456
79.280.579.678.980.579.7
78.878.779.679.479.680.6
80.081.080.479.780.480.5
78.480.480.379.480.880.0
8180.180.880.678.881.1

 

 

Number of Observations in Sample, nFactor for Chart, A2Factors for R Charts
Lower Control Limit, D3Upper Control Limit, D4
21.8803.27
31.0202.57
40.7302.28
50.5802.11
60.4802.00
70.420.081.92
80.370.141.86
90.340.181.82
100.310.221.78

 
Product Code-Statistics-AW-Q256
 
Looking for best Statistics-AW-Q256 online ,please click here
 

 

Summary