|T F |1. |If on average y increases as x increases‚ the correlation coefficient is positive. | |T F |2. |Pearson’s correlation coefficient‚ r‚ does not depend on the units of measurement of the two variables. | |T F |3. |The value of Pearson’s r is always between 0 and 1. | |T F |4. |If r is close to 1‚ then the points lie close to a straight line with a positive
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The contingency tables and relative frequency probabilities in this exercise are based on the Springdale Shopping Survey database. Information like that gained from the two parts of this exercise could provide helpful insights into the nature of the respondents‚ their perceptions‚ and their spending behaviors. In particular‚ part 2 examines how conditional probabilities related to spending behavior might vary‚ depending on the gender of the respondent. Based on the relative frequencies for responses
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1. Historical Background The business that became the Bata Shoe Organization was established on August 24‚ 1894 in Zlin‚ Czechoslovakia by Tomas Bata‚ and included his brother Antonin and sister Anna. Although this business was new‚ the Bata name had been part of a tradition of shoemaking for eight generations‚ spanning three hundred years. It was one of the first modern-day shoe ’manufacturers’‚ a team of stitchers and shoemakers creating footwear not just for the local town‚ but also for distant
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• Defining What Statistics Really Is 1.1 Nature of Statistics The term “Statistics” came from the Latin word ‘status’ which could be translated as ‘state’. The usage of this term only became popular during the 18 th century where they defined Statistics as “the science of dealing with data about the condition of a state or community”. The practice of statistics could be traced back even from the early biblical times where they gather figures related to governance of the state for they realized
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for a year ( 12 months). We calculate the variance for both and define the “degrees of freedom’ (n-1= 11) and then we can build the F-distribution. F statistic (): Defined as the ratio of the dispersions of the two distributions‚ in other words it is the value calculated by the ratio of two sample variances . F always >=1. The F statistic can test the null hypothesis: (1) that the two sample variances are from normal populations with a common variance; (2) that two population means are equal;
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The Shoe-Horn Sonata In the play ‘The Shoe-Horn Sonata’ by John Misto I have chosen to study Act 1 Scene 3. In this scene Bridie and Sheila meet for the first time. Bridie and Sheila reunite after not having seen each other since the end of the war‚ and they feel like they hadn’t been separated for 50 years. Bridie acts as if she has been the stronger one through both the war and after it‚ constantly undermining Sheila by calling her ‘girl’ and telling Rick (the interviewer) that she is deaf
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The Knight of Footwear: Summary of Shoe Dog Shoe Dog is a memoir by the creator of Nike Phil Knight. The books follow this college track athlete‚ who travels the world and is on a mission to revolutionize the track shoe industry‚ to a kid trying to run a business with no experience or real guidance to one of the most successful entrepreneurs in the world. Ultimately the book culminates with an inside look at one of the largest brands on the planet. One of the last college classes that Knight takes
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Comparison of Crime Statistics Crime statistics endeavour to provide statistical measures of crime in societies. They provide a point of analysis and comparison‚ allow countries to form long-term patterns and trends and can help to develop and reform criminal justice policies as well as being more meaningful than raw numbers. Using the countries of Bahrain and the United States as a comparison point for the following issues which surround crime statistics such as biases‚ agendas and general influences
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A Synopsis of How to Lie with Statistics by Darrell Huff When most people hear or read a statistic‚ they quickly have to decide if the numbers listed are valid or invalid. It is usually assumed that the author of the statistic is knowledgeable in the field to which the statistic pertains. However‚ on many occasions‚ the statistic is false‚ due to the author’s wording. Darrell Huff’s novel How to Lie with Statistics is a manual that can help individuals catch these lies. The novel allows readers
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Distinctively visual texts are able to manipulate the emotions of the audience to influence the responses of a collective group. John Misto‚ the person behind the play The Shoe-Horn Sonata‚ uses his distinctively visual text as a memorial for the Australian Army nurses who died in the war‚ as they were refused one by the government. “I do not have the power to build a memorial. So I wrote a play instead.” This drama illustrates the way the women were treated in the Japanese prisoner of war camps
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