SQC Online | Online Statistical Calculators for Acceptance Sampling and Quality Control

Time 2020-09-27 09:03:34

Web Name: SQC Online | Online Statistical Calculators for Acceptance Sampling and Quality Control

WebSite: http://www.sqconline.com

ID:61432

Keywords:

Calculators,for,Statistical,

Description:

SQC Online offers easy-to-use calculators for various popular quality control procedures, based on ISO and other widely used standards.Acceptance Sampling: Accept or Reject BatchesAcceptance sampling is used by industries worldwide for assuring the quality of incoming and outgoing goods. Acceptance sampling plans determine the sample size and criteria for accepting or rejecting a batch based on the quality of a sample, using statistical principles. Tell me more about acceptance sampling.Many organizations require the use of ISO standards (or their ANSI/ASQC/BS/Military Standards or other counterparts) for purposes of certification. Below are online versions of Military Standard Tables (equivalent to the civilian ISO/ANSI/ASQC/BS standards), which greatly simplify the process of determining sampling plans. You can find out how many items to sample and inspect, and how to decide whether the entire batch should be accepted or rejected.CalculatorWhat is it for?MIL-STD-105E (ANSI/ASQ Z1.4)ISO 2859-1 (BS 6001-1)Sampling plans for attribute (pass/fail) dataMIL-STD-414ANSI/ASQC Z1.9, ISO 3951-1, BS 6002Sampling plans for measurement dataMIL-STD-1235CProcedure CSP-1 Sampling plans for continuous productionDodge-Romig Single Sampling AOQLAOQL-based rectifying plan for attribute (pass/fail) dataDodge-Romig Single Sampling LTPDLTPD-based rectifying plan for attribute (pass/fail) dataMIL-STD-1916 for AttributesAccept-on-Zero (c=0) sampling plans for attribute (pass/fail) dataMIL-STD-1916 for VariablesAccept-on-Zero (c=0) sampling plans for measurement dataMIL-STD-1916 for Continuous SamplingAccept-on-Zero (c=0) sampling plans for continuous productionSqueglia Zero-Based PlansAQL-based Accept-on-Zero (c=0) sampling plans for attribute (pass/fail) dataProcedureWhat is it for?ExampleMIL-STD-105E Switching Rules (ANSI/ASQC Z1.4)ISO 2859-1 Switching Rules (BS 6001-1)Switching rules between levels of inspection"Switch from normal to tightened inspection following 5 consecutive accepted batches"MIL-STD-1235C Switching RulesProcedure CSP-1Switching rules between phases of sampling"Switch from 100% inspection to partial sampling after 5 consecutive  conforming items" MIL-STD-1916 Switching RulesSwitching rules for batch (attributes and variables) sampling plansSwitch from normal to reduced inspection following 10 consecutive non-rejected batchesControl Charts: Is Your Process Out of Control?A control chart is a popular statistical tool for monitoring the quality of goods and services, and for detecting when the process goes "out of control" as early as possible. Samples from the process are taken every time interval, and their quality measured. Control charts are used to track the sample quality over time and detect any unusual behavior. Below are calculators that help you to easily obtain the control chart limits for different types of measurements.Tell me more about control charts.CalculatorWhat is it for?ExampleControl Charts for VariablesCompute limits for x, S and R control chartsControl Charts for AttributesCompute limits for c, p, u and npWestern Electric Company (WECO) RulesThe detections of small shifts "Signal an alarm if 8 consecutive points fall on one side of the center line"Process CapabilityDoes Your Process Meet Specifications?CalculatorWhat is it for?Process Capability IndexFind out if your process meets the specifications by calculating Cp and CpkReliability of Systems and ComponentsCalculatorWhat is it for?ExampleConsecutive-Type System ReliabilityCompute the failure rate of consecutive-type systems"The system fails if 3 consecutive components fail"MIL-HDBK-217Calculate MTBF and failure rates for electrical and electronic components, devices, and equipmentMTBF CalculatorCalculate MTBF for a system, given the part (component) failure rateLearn about Run-Related DistributionsMany procedures in industry are based on the concept of a "run". A run is a sequence of identical events, such as a sequence of winnings in a slot machine. Many such procedures are based on rules of thumb, rather than on theory. Below is a calculator based on innovative theory developed in this field. The application shows what you should expect if applying a run-based procedure.ProcedureWhat is it forWaiting for the First RunHow long until you see the next run? Find the waiting time distribution for a specified run, given a sequence of independent success/failure events with the same probability of success ("IID bernouli trials")

TAGS:Calculators for Statistical 

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