Statistics for Business Intelligence – Hypothesis Testing Index: 1. What is Hypothesis testing in Business Intelligence terms? 2. Define - “Statistical Hypothesis Testing” – “Inferences in Business” – and “Predictive Analysis” 3. Importance of Hypothesis Testing in Business with Examples 4. Statistical Methods to perform Hypothesis Testing in Business Intelligence 5. Identify Statistical variables required to compute Hypothesis testing. a. Correlate computing those variables
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It is estimated that over 150 million vertebrate animals‚ including mice‚ birds‚ fish‚ rabbits‚ dogs‚ chimpanzees‚ and other non-human primates‚ are used for animal testing every year. The United States and Gabon are the only two countries that allow experimentation on chimpanzees. Animals are either killed during experiments‚ severely injured by harmful chemicals or subsequently euthanized. On a British debate site‚ a woman quotes ”I think it is wrong to test anything on animals‚ it does not matter
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Numerous animals that are used to test cosmetics end up injured or dead. According to the Humane Society International‚ it is estimated that 100‚000-200‚000 animals die due to cosmetic testing every year (PETA‚Cosmetic Animal Testing). Rabbies‚ which are the most common used animals for cosmetics undergo the Draize test to measure irritation. The Draize Test “is extremely unpleasant and painful‚ causing eye reddening‚ swelling‚ ulceration‚ even blindness‚
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Hypothesis Testing PSY/ 315 University of Phoenix May 2015 What is Hypothesis Testing? O “[…method for determining the probability of an observed event that occurs only by chance” (Allua & Thompson‚ 2009). O Two hypothesis types: null and research O Does not prove but suggests that the hypothesis is plausible O Five steps of the method Null Hypothesis O No difference between groups compared O The difference is null O In a control and treatment group it states that the treatment had no effect
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The horrendous Experiments Why would somebody want to abuse or hurt animals for no reason? Animals are locked up‚ tortured‚ and killed all over the world due to chemical experiments for products. Animal testing should be banned because it endangers animals and does not serve a legitimate purpose in society. Banning these chemical experiments will stop animals from being tortured and killed and would save their lives. Studies show that in the United States‚ more than 100 million
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It’s a fact that about twenty-six million animals around the world are indeed dying due to the fact that scientists around the world are experimenting on animals for scientific testing. Animals are being killed in many parts of the world due to scientists forcing lipsticks and shampoos down their throats to check if the new beauty products are safe to wear. Most experiments tested on animals are faulty‚ which is wasting the lives of the poor animals. Also‚ drugs that pass animal tests are not certainly
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Critical-Value Approach to Hypothesis Testing We often use inferential statistics to make decisions or judgments about the value of a parameter‚ such as a population mean. For example‚ we might need to decide whether the mean weight‚ μ‚ of all bags of pretzels packaged by a particular company differs from the advertised weight of 454 grams (g)‚ or we might want to determine whether the mean age‚ μ‚ of all cars in use has increased from the year 2000 mean of 9.0 years. One of the most commonly
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------o0o------ CHAPTER 14: CHI-SQUARE TESTING STATISTICS FOR BUSINESS TAs: Vo Vuong Van Anh‚ Le Phuoc Thien Thanh‚ and Le Nhat Ho December 21‚ 2013 TABLE OF CONTENTS • PART I: CHI-SQUARE TESTING FOR GOODNESS-OF-FIT. • PART II: CHI-SQUARE TESTING FOR NORMAL DISTRIBUTION. • PART III: CHI-SQUARE TESTING FOR INDEPENDENCE. December 2013 Powered by Vo Vuong Van Anh 2 1 12/21/2013 Hypothesis Testing Procedure for Chi-Square Testing 5 Steps to Perform an Chi-Square Testing STEP 01 State the null and alternative
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parents and students of different cultural backgrounds around the United States‚ this is becoming a reality. Standardized testing can have a substantial impact on a student’s future‚ and the idea that these types of tests are culturally biased is rising. While some Caucasian Americans and minorities (Hispanic Americans‚ and African American) believe that standardized testing allows Caucasian Americans a better probability of success because some content is geared towards Caucasian culture‚ making
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A problem within the educational system would be standardized testing. Standardized testing has been part of the US educational system since the mid 1800’s. Educating children should and is a top priority in America. That being said standardized test should not measure educational quality because of the many complications that come with it. Many people are intelligent test are not reliable or valid. I agree that standardized test helps to see where the students may be in certain areas which can then
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