1. Following the explosion of the 25th space shuttle flight‚ which was caused by an O-ring failure in one or more of the booster rockets‚ data from the previous 24 flights were studied. The Temperature (F) at the time of launch and whether or not there was evidence of O-ring failures for each of the previous 24 shuttle flights was determined for each flight. A logistic regression relating the Failure of O-rings to the Temperature was obtained with the following result: Estimate Std. Error z value Intercept
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QUESTION 1 The managing partner for Westwood One Investment Managers Inc. gave a public seminar in which she discussed a number of issues‚ including investment risk analysis. In that seminar‚ she reminded people that the coefficient of variation can often be used as a measure of risk of an investment. To demonstrate her point of view‚ she used two hypothetical stocks as examples. She let x equal the change in assets for a $1‚000.00 investment in stock1 and y reflect the change in assets for a
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130 million children are born each year. In many countries‚ they represent more than 50% of the population.[2] Further‚ a child has his or her own rights. As young and helpless‚ we cannot just take advantage of it. This includes anti-child labor. According to the Declaration of the Rights of the Child‚ a child should not work before a minimum age and never when that would hinder your health‚ and your moral and physical development.[3] However‚ this
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St. Augustine A doctor and bishop to his church‚ St. Augustine is best known for his autobiography Confessions. The term augustinianism evolved from his great influence during his day and ours. As a boy‚ Augustine had no idea where his rebellion would lead him. On the 13 November‚ 354 AD‚ in Tagaste (modern day Algeria)‚ Augustine was born. Patricius‚ Augustine’s father‚ while holding a position as an official in the city‚ remained a pagan until converting on his deathbed. Augustine’s mother
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1. St. Patrick of Ireland: A Biography. By Philip Freeman. New York: Simon and Schuster‚ 2004. pp 240.‚ $11.23 Kindle. In his book‚ St. Patrick of Ireland‚ Philip Freeman is presenting his case for the missionary life of St. Patrick. He undertakes to draw from Patrick’s words‚ his two letters‚ as well as those of medieval‚ Celtic‚ British and other such publications. Freeman is trying to give his readers a vivid image of what life would have been like during the latter part of the fourth
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MM207 Statistics Unit IV Mid Term Project 1. In the following situation identify the implied population. A recent report on the weekly news presented the findings of a study on the effectiveness of Onglyza‚ along with diet and exercise‚ for treating diabetes. According to Bennett (2009)‚ a population is defined as “the complete set of people or things being studied” in a statistical study. Given that the information is in relation to finding the success of a drug used to care for
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QMT2033 BUSINESS STATISTICS Assignment for mid -term break 1. Most of the information technology developers claim that wireless connection would give speed of at least 11 Mbps compared to wired connection. A sample of 105 computers using wireless connection shows it gives a mean of 11.7 Mbps and a standard deviation of 2.3 Mbps. a) Do you think that the wireless usage should be implemented? Test at 7% significance level). b) Repeat the test by using p-value approach. 2. A jack is usually used
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Chapter I Introduction HISTORY The late Florentino Cayco‚ Sr.‚ first Filipino Undersecretary of Public Instruction and illustrious educator‚ conceptualized the birth and administered the growth of Arellano University. This prestigious institution of learning opened in 1938 as the Arellano Law College‚ named after Cayetano Arellano‚ first Filipino chief justice. It closed in December 1941 until March 1945 under the Japanese occupation of the Philippines during World War II. At the end
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Chapter 1 INTRODUCTION 1.1 INTRODUCTION The Islamic republic of Pakistan emerged as an independent sovereign state on 14th August 1947‚ as a result of the division of former British India. It lies between 23-35 to 37- 05 north latitude and 60-50 to 77- 50 east longitude touching the Hindukush Mountains in the north and extending from the Pamirs to the Arabian Sea. Pakistan is situated at the junction of three major regions of Asia: Central Asia to the north‚ the Middle East to the west and
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Examine the reasons why some sociologists choose to use official statistics when conducting research. Firstly‚ official statistics are a source of secondary quantitative data which are gathered by the government or other official bodies. Many reasons for their use by sociologists when conducting research stems from the fact that they are a form of secondary data; meaning that they are not collected by the sociologist themselves. This makes them high in practicality‚ representativeness and reliability
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