1. Match List I correctly with List II and select your answer using the codes given below : List I List II a) Test of homogeneity of variance 1. Small samples b) t-test 2. Sampling error c) Represents within group variance 3. F-ratio d) Mann-Whitney test 4. Ordinal scale





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QA->During the solar eclipse, which of the following represents the relative position of the sun, moon an earth correctly?....
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MCQ->Match List I correctly with List II and select your answer using the codes given below : List I List II a) Test of homogeneity of variance 1. Small samples b) t-test 2. Sampling error c) Represents within group variance 3. F-ratio d) Mann-Whitney test 4. Ordinal scale....
MCQ->Match List I correctly with List II and select your answer using the codes given below : List I List II a) Chi-square test 1. Factor analysis b) Mann-Whitney test 2. k-samples test c) Eigenvalue 3. two samples test d) Kruskal-Wallis test 4. one sample test....
MCQ-> People are continually enticed by such "hot" performance, even if it lasts for brief periods. Because of this susceptibility, brokers or analysts who have had one or two stocks move up sharply, or technicians who call one turn correctly, are believed to have established a credible record and can readily find market followings. Likewise, an advisory service that is right for a brief time can beat its drums loudly. Elaine Garzarelli gained near immortality when she purportedly "called" the 1987 crash. Although, as the market strategist for Shearson Lehman, her forecast was never published in a research report, nor indeed communicated to its clients, she still received widespread recognition and publicity for this call, which was made in a short TV interview on CNBC. Still, her remark on CNBC that the Dow could drop sharply from its then 5300 level rocked an already nervous market on July 23, 1996. What had been a 40-point gain for the Dow turned into a 40-point loss, a good deal of which was attributed to her comments.The truth is, market-letter writers have been wrong in their judgments far more often than they would like to remember. However, advisors understand that the public considers short-term results meaningful when they are, more often than not, simply chance. Those in the public eye usually gain large numbers of new subscribers for being right by random luck. Which brings us to another important probability error that falls under the broad rubric of representativeness. Amos Tversky and Daniel Kahneman call this one the "law of small numbers.". The statistically valid "law of large numbers" states that large samples will usually be highly representative of the population from which they are drawn; for example, public opinion polls are fairly accurate because they draw on large and representative groups. The smaller the sample used, however (or the shorter the record), the more likely the findings are chance rather than meaningful. Yet the Tversky and Kahneman study showed that typical psychological or educational experimenters gamble their research theories on samples so small that the results have a very high probability of being chance. This is the same as gambling on the single good call of an advisor. The psychologists and educators are far too confident in the significance of results based on a few observations or a short period of time, even though they are trained in statistical techniques and are aware of the dangers.Note how readily people over generalize the meaning of a small number of supporting facts. Limited statistical evidence seems to satisfy our intuition no matter how inadequate the depiction of reality. Sometimes the evidence we accept runs to the absurd. A good example of the major overemphasis on small numbers is the almost blind faith investors place in governmental economic releases on employment, industrial production, the consumer price index, the money supply, the leading economic indicators, etc. These statistics frequently trigger major stock- and bond-market reactions, particularly if the news is bad. Flash statistics, more times than not, are near worthless. Initial economic and Fed figures are revised significantly for weeks or months after their release, as new and "better" information flows in. Thus, an increase in the money supply can turn into a decrease, or a large drop in the leading indicators can change to a moderate increase. These revisions occur with such regularity you would think that investors, particularly pros, would treat them with the skepticism they deserve. Alas, the real world refuses to follow the textbooks. Experience notwithstanding, investors treat as gospel all authoritative-sounding releases that they think pinpoint the development of important trends. An example of how instant news threw investors into a tailspin occurred in July of 1996. Preliminary statistics indicated the economy was beginning to gain steam. The flash figures showed that GDP (gross domestic product) would rise at a 3% rate in the next several quarters, a rate higher than expected. Many people, convinced by these statistics that rising interest rates were imminent, bailed out of the stock market that month. To the end of that year, the GDP growth figures had been revised down significantly (unofficially, a minimum of a dozen times, and officially at least twice). The market rocketed ahead to new highs to August l997, but a lot of investors had retreated to the sidelines on the preliminary bad news. The advice of a world champion chess player when asked how to avoid making a bad move. His answer: "Sit on your hands”. But professional investors don't sit on their hands; they dance on tiptoe, ready to flit after the least particle of information as if it were a strongly documented trend. The law of small numbers, in such cases, results in decisions sometimes bordering on the inane. Tversky and Kahneman‘s findings, which have been repeatedly confirmed, are particularly important to our understanding of some stock market errors and lead to another rule that investors should follow.Which statement does not reflect the true essence of the passage? I. Tversky and Kahneman understood that small representative groups bias the research theories to generalize results that can be categorized as meaningful result and people simplify the real impact of passable portray of reality by small number of supporting facts. II. Governmental economic releases on macroeconomic indicators fetch blind faith from investors who appropriately discount these announcements which are ideally reflected in the stock and bond market prices. III. Investors take into consideration myopic gain and make it meaningful investment choice and fail to see it as a chance of occurrence. IV. lrrational overreaction to key regulators expressions is same as intuitive statistician stumbling disastrously when unable to sustain spectacular performance.....
MCQ-> Read the following passage carefully and answer the questions given below it. Certain words/phrases have been printed in bold to help you locate them while answering some of the questions. Once upon a time, there lived a lion in a forest. A jackal, a crow and a wolf had developed friendship. They knew that the lion was the king of the forest and friendship with such a fierce creature would always help them. To meet their selfish ends, they started obeying and were always at the service of the lion. They didn’t have to make any efforts to search for their food, as the lion gave his leftover meals to them. Moreover, they became powerful as they were next to the king of the forest. One day, a camel, who came from some distant land, lost his way and entered the same forest where these friends lived. In the meantime, these three friends happened to pass the same way that the camel was wandering. When they saw the camel, they realized that he did not belong to their forest. The jackal suggested to his other two friends, “Let’s kill and eat him.” The wolf replied, “It is a big animal. We cannot kill him like this. I think, we should first inform our king about this camel.” The crow agreed with the wolf s idea. All of them went to meet the lion. On reaching the lion’s den, the jackal approached the lion and said, Your Majesty, an unknown camel has dared to enter your kingdom without your consent, Let’s kill him; he could make a nice meal.” The lion roared loudly on hearing this and said, ‘What are you saying ? The camel has come for refuge in ray kingdom. It is unethical to kill him. We should provide him the best shelter. Go and bring him to me,” All of them were dispirited to hear these words from the king. They unwillingly went to the camel and told him about the lion’s desire to meet him, The camel was scared about the strange offer. He thought that his end had come and in a little while he would become the lion’s meal. As he couldn’t even escape, he decided to meet the lion. The selfish friends escorted the camel to the lion’s den. The lion welcomed the camel warmly and assured him of a safe stay in the forest. The camel was totally amazed to hear the lion’s words. He happily started living with the jackal, the crow and the wolf. One day, when the lion was hunting for food, he had a struggle with a mighty elephant. The lion was badly injured in the struggle and became incapable of hunting for his food. Thus the lion had to sustain without food for days. Due to this, his friends too had to go hungry for days as they totally depended on the lion’s kill for their food. But the camel was satisfied grazing around in the forest. All the three friends were worried and discussed the matter among them, As the jackal, the crow and the wolf had set their evil eyes on the camel, they met once again and devised a plan to kill the camel. They went to the camel and said, “Dear Friend, you know our king has not eaten anything for many days now. He is unable to hunt due to his wounds and sickness. Under such circumstances, it becomes our duty to sacrifice ourselves to save the life of our king. Come with us, we will offer our bodies as food for him.” The camel didn’t understand their plan, but innocently nodded in favour of it. All of them approached the lion’s den. First of all, the crow came forward and said, “Your Majesty, I can’t see you like this. So please eat me.” The lion replied, “I would prefer to die than to perform such a sinful deed.” Then, the jackal came forward and said, “Your Majesty, crow’s body is too small for your appetite. I offer myself to you, as it is my duty to save your life.” The lion politely rejected the offer. As per the plan, now it was the wolf’s turn to offer himself to the king. So, the wolf came forward and said, “Your Majesty, jackal is quite small to gratify your hunger. I offer myself for this kind job, Please, kill me and appease your hunger.” But the Lion didn’t kill any of them. The camel, who was watching the whole scene felt reassured of his safety and also decided to go forward and complete the formality. He marched forward and said, “Your Majesty, why don’t you kill me ? You are my friend. Please allow me to offer you my body.” The lion found the offer quite appropriate as the camel himself had offered his body for food. The lion attacked the camel at once, ripped open his body and lore him into pieces. The lion and his friends feasted on the poor camel for days together.‘Why could the lion not hunt anymore ?
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MCQ-> Read the passage carefully and answer the questions given below it. Certain words/ phrases have been given in bold to help you locate them while answering some of the questions. One day all the employees e reached the office and they saw a big advice on the door on which it was written: "Yesterday the person who has been hindering your growth in this company passed away. We invite you to join the funeral in the room that has been prepared in the gym". In the beginning, they all got sad for the death of one of their colleagues, but after a while they started getting curious to know who was that man who hindered the growth of his colleagues and the company itself. The excitement in the gym was such that security agents were ordered to control the crowd within the room. The more people reached the coffin, the more the excitement heated up. Everyone thought: "Who is this guy who was hindering my progress? Well, at least he died!" One by one the thrilled employees got closer to the coffin, and when they looked inside it they suddenly became speechless. They stood nearby the coffin, shocked and in silence, as if someone had touched the deepest part of their soul. There was a mirror who looked inside it could see himself. There was also a sign next to the mirror said : "There is only one person who is capable to set limits to your growth : it is YOU." You are the only person who can revolutionize your life. You are the only person who can influence your happiness, your realization and your success. You are the only person who can help yourself. Your life does not change when your boss changes, when your friends change, when your partner changes, when your company changes. Your life changes when YOU change, when you go beyond your limiting beliefs, when you realize that you are the only one responsible for your life. "The most important relationship you can have is the one you have with yourself."Which of the following is true in context of the passage ?
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