Hypothesis Testing I Pat Obi What is a “Hypothesis?” A statement or claim about the value of a population parameter: μ‚ σ2‚ p Pat Obi‚ Purdue University Calumet 2 Decision Rule 1. x 0 Z s n Compare calculated Z value to Z value from Table (critical Z value) Reject H0 if calculated Z value lies in the rejection/significance region (i.e. region) ALTERNATIVELY: 2. Compare p-value to Reject H0 if p-value < Pat Obi‚ Purdue University Calumet 3 Two-Tail Test Ex: H0: 0
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comfortably in the minds of society. Similarly‚ there is one issue in particular which has also been a prevalent topic and deserves some further attention‚ animal testing. Also known as “animal experimentation” or “animal research”‚ has been a worldwide practice stemming from at least 500 BC. Popularly‚ the nature and features of animal testing has caused many to question its significance and overall legitimacy as it tends to resonate a sense of cruelty among the animals in examination. Proponents and
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Most of us can easily say that animal testing is evil‚ barbaric and should be banned‚ but when in reality‚ when faced with an actual choice‚ how many of us would honestly choose to potentially endanger a human’s life over an animal’s life? Animal testing should not be banned for several reasons. Firstly as human beings‚ it is in our nature to value human lives above animal lives. Whether it is wrong or right all species feel an inexplicable loyalty to their own species‚ making human life of greater
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by looking at the history of workplace testing‚ then discuss some types of psychological tests‚ how these tests benefit employers‚ common testing instruments‚ institutions that use these tests‚ and some related limitations and legal concerns. History of workplace testing It’s hard to put a date on the inception of psychological testing. Who knows‚ informal means of psychological testing could have been happening between cavemen. But psychological testing in the workplace is a relatively new concept
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Ethics of Animal Testing An animal’s life in a laboratory is a cold‚ unhappy and unhealthy way of living. So‚ lucky for Libby she was rescued just in time. Libby is a small dog that spent many of her years in an animal testing laboratory. She was kept in very unhealthy and filthy conditions. Although Libby was not an old dog when she was rescued‚ she had severe tooth decay and was terribly emaciated. Her body was desperately trying to fend of the parasitic hookworms and tapeworms that lived
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protected by the Animal Welfare Act‚ the only act governing animal testing. Laws protecting animals need to include test animals used for experiments and these laws should be more strongly enforced. In order to minimize the number of animals used for testing and make sure they are not mistreated‚ the laws need to make it harder for researchers to use animals‚ making alternatives more appealing. Many people would agree that animal testing is morally wrong. As animal rights activist Justin Goodman puts
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Animal Testing. General Purpose: To persuade. Specific Purpose: To persuade my audience that animal experimentation for the human profit is unethical and other alternatives should be found. Central Idea: Alternatives solutions are the best way to prevent animal testing cruelty and lawsuits. Introduction: I. I have a riddle for the class: What was once pretty and bristly but becomes a bloody rotted mess? The answer to this riddle is an animal that has undergone experimentation. This wasn’t a
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have split the world in half. Animal testing is one of these many disputes‚ that may not have an end. Animal experimentation‚ or animal testing if you will‚ is when animals of different species are being tested on‚ varying from space research to agricultural testing. People in our world may disagree on the purpose of animal testing on the grounds of how cruel‚ and unruly it is to do to poor innocent animals. On the other hand‚ some people say that animal testing may have possibly been one of the greatest
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SLIDE 1: What is automation Testing? In software testing‚ test automation is the use of special software (separate from the software being tested) to control the execution of tests‚ the comparison of actual outcomes to predicted outcomes‚ the setting up of test preconditions‚ and other test control and test reporting functions. Commonly‚ test automation involves automating a manual process already in place that uses a formalized testing process. Goal of Automation is to reduce number of test cases
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Subject – Software Testing Structural Testing Objective: 1. Understand Concept of structural testing 2. How structural (code-based or glass-box) testing complements functional (black-box) testing 3. Recognize and distinguish basic terms • • Adequacy Coverage 4. Recognize and distinguish characteristics of common structural criteria 5. Understand practical uses and limitations of structural testing Definition: Judging test suite thoroughness based on the structure of the program itself‚ it
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