Statistics - Batch AQL? (Acceptance Quality limit) HNC

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The discussion revolves around the application of Acceptance Quality Limit (AQL) in the context of inspecting an electrical device production lot. The user is seeking clarification on whether to provide a simple affirmative answer or detailed mathematical evidence for their assignment. The inspection involves a lot size of 150, with a specified AQL of 2.5% and a sample size of 10, yielding an acceptability constant of 1.41. Temperature measurements from the sample indicate values below the maximum operational temperature of 50 °C. The user ultimately needs guidance on determining the acceptance of the lot based on the provided data.
SWINEFLU
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Hi All,

Currently on a distance learning HNC and I am not quite sure whether the question just wants me to answer 'yes' or give mathematical evidence. Part A answered, Part B not sure... Any help would be great!

2. The process for the production of an electrical device is suitable for inspection by variables. Production is inspected in lots of 150, at inspection level II, normal inspection with AQL = 2.5%. The maximum temperature of operation for the device is specified as 50 °C.

(a) Use TABLES 4 and 5 to find the sample code letter, the sample size and the acceptability constant.
Code letter H
Sample Size 10
Acceptability constant 1.41

(b) A sample is taken and the temperature measurements are as follows:
43 °C, 49 °C, 46 °C, 39 °C, 44 °C, 45 °C, 40 °C, 48 °C, 46 °C and 41 °C.
Determine whether the lot should be accepted.
 
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