Question
Jamison Kovach Supply Company manufactures paper clips and other office products. Although inexpensive, paper clips have provided the firm with a high margin of profitability.
Jamison Kovach Supply Company manufactures paper clips and other office products. Although inexpensive, paper clips have provided the firm with a high margin of profitability. Sample size is50. Results are given for the last 10 samples.
Sample | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Defectives | 4 | 7 | 2 | 5 | 6 | 6 | 5 | 4 | 2 | 11 |
.a) Establish the control limits to include 99.73% of the random variation in defectives.
UCLp=. (enter your response as a number between 0 and 1, rounded to three decimal places).
LCLp = (enter your response as a number between 0 and 1, rounded to three decimal places).
b) Has the process been in control?
Based on the developed control limits, the number of defectives has been IN-CONTROL or Out of control
c) If the sample size were 100 instead, how would your limits and conclusions change?
UCLp = (enter your response as a number between 0 and 1, rounded to three decimal places).
LCLp = (enter your response as a number between 0 and 1, rounded to three decimal places).
Based on the developed control limits, the number of defectives has been IN-CONTROL or Out of Control
.
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