What do you mean by product control?

Question

Sum

Solution

Product Control means that controlling the quality of the product by critical examination through sampling inspection plans.

Product Control aims at a certain quality level to be guaranteed to the customers.

It attempts to ensure that the product sold does not contain a large number of defective items.

Thus it is concerned with classification of raw materials, semi-finished goods or finished goods into acceptable on rejectable products.

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Statistical Quality Control (SQC)

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Q 5 Q 4 Q 6

Chapter 9: Applied Statistics - Exercise 9.3 [Page 226]

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Samacheer Kalvi Business Mathematics and Statistics [English] Class 12 TN Board

Chapter 9 Applied Statistics
Exercise 9.3 | Q 5 | Page 226

RELATED QUESTIONS

Define Statistical Quality Control

Mention the types of causes for variation in a production process

What do you mean by process control?

The following data show the values of sample mean `(bar"X")` and its range (R) for the samples of size five each. Calculate the values for control limits for mean, range chart and determine whether the process is in control.

Sample Number	1	2	3	4	5	6	7	8	9	10
Mean	11.2	11.8	10.8	11.6	11.0	9.6	10.4	9.6	10.6	10.0
Range	7	4	8	5	7	4	8	4	7	9

(conversion factors for n = 5, A₂ = 0.58, D₃ = 0 and D₄ = 2.115)

A quality control inspector has taken ten samples of size four packets each from a potato chips company. The contents of the sample are given below, Calculate the control limits for mean and range chart.

Sample Number	Observations
Sample Number	1	2	3	4
1	12.5	12.3	12.6	12.7
2	12.8	12.4	12.4	12.8
3	12.1	12.6	12.5	12.4
4	12.2	12.6	12.5	12.3
5	12.4	12.5	12.5	12.5
6	12.3	12.4	12.6	12.6
7	12.6	12.7	12.5	12.8
8	12.4	12.3	12.6	12.5
9	12.6	12.5	12.3	12.6
10	12.1	12.7	12.5	12.8

(Given for n = 5, A₂ = 0.58, D₃ = 0 and D₄ = 2.115)