BUS 271 CHAPTER ONE HOMEWORK: TERMS 1. In each statement that follows‚ tell whether descriptive or inferential statistics were used. _D____ a. The average price of a home sold in Allegheny County the week of April 22-28 $75‚328. _D____ b. According to the Census Bureau‚ 20% of all American workers get to work via carpool. __I___ c. The National Eye Institute has halted a clinical trial on a type of eye surgery‚ calling it ineffective and possibly harmful to a person’s
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|11 |9 | |2500-3000 |1 |3 | d. Cite some specific examples and comment on your findings. |Class Interval |Observed Frequency |Actual frequency | |60-65 |3 |3 | |65-70 |21 |31 | |70-75 |150
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society. [B] different groups of people remained isolated. [C] people traveled so often‚ getting to know each other. [D] the lifestyles were radically different from all that had gone before. [E] elements of the culture were widely shared. 3. The foremost power in Anatolia from 1700 to 1200 B.C.E. was the [A] Medes. [B] Assyrians. [C] Kassites. [D] Hittites. [E] Babylonians. 4. During the Late Bronze Age‚ important Middle Eastern states shared a vital interest in the trade
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Chapter 2 Study Guide MULTIPLE CHOICE QUESTIONS 1. The relative frequency of a class is computed by a. dividing the midpoint of the class by the sample size b. dividing the frequency of the class by the midpoint c. dividing the sample size by the frequency of the class d. dividing the frequency of the class by the sample size Answer: d 3. The sum of frequencies for all classes will always equal a. 1 b. the number of elements in a data set c. the number of classes d. a
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Chapter 1: Introduction 1. Origin of Statistics: The word Statistics seems to have been derived from Latin word ‘Status’‚ German word ‘Statistik’ or Italian word ‘Statista’. Each of these means “Political State’. In ancient time governments used to collect the information regarding the population & the property of the State. In India an efficient system of collecting official and administrative statistics existed even more than 2000 Years ago‚ in particular‚ during the period of Chandra Gupta
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Chapter 10 31. A new weight-watching company‚ Weight Reducers International‚ advertises that those who join will lose‚ on the average‚ 10 pounds the first two weeks with a standard deviation of 2.8 pounds. A random sample of 50 people who joined the new weight reduction program revealed the mean loss to be 9 pounds. At the .05 level of significance‚ can we conclude that those joining Weight Reducers on average will lose less than 10 pounds? Determine the p-value. 32. Dole Pineapple‚ Inc.‚ is concerned
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Chapter 3 Module Review Questions 4/17/2012 1. Which features of organizations do managers need to know about to build and use information systems successfully? What is the impact of information systems on organizations? * Define an organization and compare the technical definition of organizations with the behavioral definition. The technical definition of an organization is a stable‚ formal social structure that takes resources from the environment and develops them to outputs. The
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portfolio question Christian Arzaga 03/27/2012 1. Portfolio Question #1 (Chapter 1) a. What does “success” mean to you? Success to me is the feeling that come from going through struggles and still achieving your goals. It may be something as small as losing 5 pounds or as great as graduating from school. b. When you achieve your greatest success…what will you have and what will you be doing? When I achieve success I will be have my associates
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own words‚ explain what parameters and statistics are and what the difference is between them. Give an example to clarify. (10 points) 2. According to Consumer Reports‚ a random sample of 35 new cars gave an average of 21.1 mpg. What is the variable being studied? What is the implied population? What is the sample? Is the variable qualitative or quantitative? Is the variable discrete‚ continuous or neither? (10 points) 3. A national survey asked 1261 US adult
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Chapter 3 Review Questions: 1. What is meant by the following terms: Homologous chromosomes- A matched pair of chromosomes‚ one derived from each parent. Both members of the pair are similar in size‚ shape‚ and appearance‚ except for sex chromosomes. Autosomes- The general term for chromosomes other than the sex chromosomes. Sex chromosome- The X and Y chromosomes that determine genetic sex. Barr body- The inactivated X chromosome that appears as a small‚ dense mass of chromatin attached
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