Question 1: State the null hypothesis and alternative hypothesis ONLY i) One of the major Malaysia tire makers wishes to review its warranty for their rainmaker tire. The warranty is for 40‚000 kilometers. The tire company believes that the tire actually lasts more than 40‚000 kilometers. A sample 49 tires revealed that the mean number of kilometers is 45‚000 kilometers with a standard deviation of 15‚000 kilometers. What is the null hypothesis and alternative hypothesis? ii) It is claimed
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Tutorial Note 5 • Chapter 17 Hypothesis Testing • Chapter 18 Measures of Association Objective: Computer laboratory session (II) – Please refer to the Computer Lab Notes Discussion Question 1 H0 – Null Hypothesis: a statement you want to reject (E.g Average = 50) H1/HA – Alternative Hypothesis: a statement you want to prove (E.g Average is not 50) What is related/dependent sample? H0: Tutorial is NOT effective H1: Tutorial is effective |Respondent |Before
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Shannon Ciuk Honors 100-01 April 29‚ 2011 Q&A #10 The article The Human Mind and Human Art by Trevor Pateman was the most interesting to me. The reason being I am a psychology major and he made a number of references to psychology studies…it even sounded like a psychology paper. The psychologist that stuck out the most to me was Chomsky. A reason for this may be the fact that we recently just covered his work in my developmental psychology class. I found it very interesting that the
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Altman’s Z Score: The Z score‚ developed by Professor Edward I. Altman‚ is perhaps the most widely recognized and applied model for predicting financial distress (Bemmann‚ 2005). Altman developed this intuitively appealing scoring method at a time when traditional ratio analysis was losing favor with academics (Altman‚ 1968). In his seminal paper‚ Altman evaluated 22 potentially significant variables of the 66 firms by using multiple discriminant analysis to build the discriminant function with five
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Hypothesis testing using the binomial distribution Chapter assessment 1. Sweets called “Scruffies” are sold in packets of 18. Scruffies come in a variety of colours‚ and market research shows that red is the most popular. Scruffies are packed randomly‚ and on average 25% are red. (i) Find the probability that a packet contains no more than 6 red Scruffies. [2] (ii) Find the probability that a packet contains exactly 4 red Scruffies. [2] Because of a fault in the packing machine
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Title|Internet Information and Online Concepts| Assessment A‚ Part One - Credibility and Impact: Exploring the Internet and Politics| Indicate whether each website is credible.|Colbert Nation: no|| Indicate whether each website is credible.|Crooks and Liars: noCrooks and Liars: yes|| Indicate whether each website is credible.|Daily Kos: no|| Indicate whether each website is credible.|POLITICO: no|| Indicate whether each website is credible.|Red‚ Green and Blue: yes|| Indicate whether each website
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0088 Z-Score Practice 1. When raw scores from normal distribution are converted to standard scores‚ the resulting distribution has a mean equal to ________ and SD equal to _________. 2. Scores on a particular test are normally distributed with a mean of 70 and an SD of 15. Between what two scores would you expect? a. 68% of the scores to fall between ____________ and _____________? b. 95% of the scores to fall between ____________ and _____________? 3. A distribution of scores has a
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Profitability is a measure of the efficiency of a business to use its resources. It is measured by the return on the capital resources it uses which means the combination of debt and equity. This is given by the ratio return on capital employed (ROCE)‚ return on investment or accounting rate of return. This tells investors how successful the business is by analyzing the profitability. The higher ROCE‚ the more liable it is to carry a high return to the investors resulting in higher dividends
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literature review is to Week 4 1. Which of the following is NOT a research method? Fellowship 2. In which situation is qualitative technique NOT used? A. Focus of the research is on meaning s and attitudes B. The situation calls for exploratory theory building C. Interaction between members of a group is of interest D. The situation calls for theory testing 3. Which of the followings is NOT a qualitative data collection? A. Questionnaire – based survey (quantitative) B. In-depth interview
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for a hypothesis-based scientific study involves a few steps that should be followed in order. First‚ an observation is made and then a question should be posed about the observation that can be tested and possibly proved false. Next‚ we can make a hypothesis or educated guess about the result cause of the problem. We can then make a prediction on what may fix the issue. The final step would be to test our prediction to find the conclusion. The difference between a scientific based study and an
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