Answered: Using and Interprefing Identifying Data…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Transcribed Image Text:Ages own automobiles made by a company other than Honda mortgages Using and Interpreting Concepts Identifying Data Sets In Exercises 25-34, identify the population and the sample. Describe the sample data set. 25. A survey of 1020 U.S. adults found that 42% trust their political leaders. (Source: Gallup) 26. A study of 203 infants was conducted to find a link between fetal tobacco exposure and focused attention in infancy. (Source: Infant Behavior and Development) 27. A survey of 3301 U.S. adults found that 39% received an influenza vaccine for a recent flu season. (Source: U.S. Centers for Disease Control and Prevention) 28. A survey of 1100 travelers worldwide found that 53% of respondents with pets travel with their pets. 29. A survey of 159 U.S. law firms found that the average hourly billing rate for partners was $604. (Source: The National Law Journal) 30. A survey of 496 students at a high school found that 95% planned on going to college. 31. A survey of 1029 U.S. adults found that 23% of those suffering with chronic pain had been diagnosed with a sleep disorder. (Source: National Sleep Foundation) 32. A survey of 1254 preowned automobile shoppers found that 5% bought extended warranties. 33. To gather information about starting salaries at companies listed in the Standard & Poor's 500, a researcher contacts 54 of the 500 companies. 34. A survey of 1060 parents of 13- to 17-year-olds found that 636 of the 1060 parents have checked their teen's social media profile. (Source: Pew Research Center) Distinguishing Between a Parameter and a Statistic In Exercises 35-42, determine whether the number describes a population parameter or a sample statistic. Explain your reasoning. 35. The average salary for 45 of a consulting firm's 300 engineers is $72,000. 36. A survey of 1058 college board members found that 56.3% think that college completion is a major priority or the most important priority for their board. (Source: Association of Governing Boards of Universities and Colleges) 37. Sixty-two of the 97 passengers aboard the Hindenburg airship survived its explosion.

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