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T-Test Answer Keys and Activity Sets |
SPC Exams |
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T-Test Lesson 1: Population Mean Inference for Normally Distributed Data and Unknown Population Standard Deviation Construct confidence intervals and conduct hypothesis tests on the true mean μ of a population. |
T-Test Lesson 2: Two-Sample t-Test for Population Means Construct confidence intervals and conduct hypothesis tests to compare means from two independent populations. |
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T-Test Lesson 3: Paired t-Test for Population Means Construct confidence intervals and conduct hypothesis tests on the true mean difference μd between two sets of paired observations. |
SPC Lesson 1: History of Quality Control Get a timeline of the milestones as quality control came to life. |
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SPC Lesson 2: Deming’s Funnel Experiment The funnel experiment is a mechanical representation of many real-world processes where we work. |
SPC Lesson 3: Deming’s Funnel Experiment The funnel experiment is a mechanical representation of many real-world processes where we work. |
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SPC Lesson 4: Deming’s Red Beard Experiment Dr. Deming often refers to this as a “stupid experiment that you’ll never forget.” |
SPC Lesson 5: Statistically Speaking: What is Six Sigma Quality? Follow the lesson to determine what is Six Sigma quality. |
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SPC Lesson 6: Quality Management; Practices, Standards, and Tools Learn how to measure quality performance. |
SPC Lesson 7: Xbar Chart The Central Limit Theorem is the heart of probability theory. |
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SPC Lesson 8: Quality Methods 1 - Introduction to Control Charts Statistical Process Control (SPC), Basics of Control Charts, OC Curve, Power, ARL |
SPC Lesson 9: Quality Methods 2 - Introduction to Control Charts "The Zones” & Other Rules for Indicating an Out of Control Process |
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SPC Lesson 10: Quality Methods 3 - Introduction to Control Charts Learn about commonly used control charts. |
Lesson 11: Standardized Control Charts for Measurement Data with Varying Sample Sizes This lesson includes an overview of the subject, instructor notes, and example exercises using Minitab |
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SPC Lesson 12: Quality Methods Control Charts for Individual Units Control Charts for Individuals (I or X) and Moving Ranges (MR). |
SPC Lesson 13: Transforming Non-Normal Data This lesson includes an overview of the subject, instructor notes, and example exercises using Minitab. |
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SPC Lesson 14: Rational Subgrouping The Pertinent Question is NOT how to do things right —but how to find the right things to do, and to concentrate resources and efforts on them |
SPC Lesson 15: Capability Analysis As we gather data for our processes, we must continue to ask: “Is our process capable of meeting these specifications and to what extent." |
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SPC Lesson 16: Capability Analysis with Non-Normal Data Why do we need to transform non-normal data? |
SPC Lesson 17: Quality Methods - Probability Distributions Learn about the different types of situations Probability Distributions model. |
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SPC Lesson 18: Quality Methods - Special Discrete Distributions Learn about Special discrete random variables. |
SPC Lesson 19: Quality Methods - Control Charts for Attributes Types of attributes charts. |
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SPC Lesson 20: c-charts Open your bag of M&M’s and (1) count the total # of M&M’s and (2) count the # of those M&M’s that are “defective.” |
SPC Lesson 21: Time-Weighted Charts Time-Weighted Charts: MA, EWMA, CUSUM. |
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