Question

Ages of Adults in the United States Who Own Automobiles Incomes of Home Owners in 23. Ages of adults in the US who own Honda home owners in Massachusetts Incomes of home owners in Massachusetts without mortgages Ages of adults in the U.S who own automobiles made by a company other than Honda Using and Interpreting Concepts Identifying Data Sets In Exercises 25-34, identify the population and the sample. Describe เhe sample data set. 25, A survey of 1020 US, 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 27, A survey of 3301 US. 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. partners was $604. (Source: The National Law Journal) to college. 29. A survey of 159 U.S. law firms found that the average hourly billing rate for 30. A survey of 496 students at a high school found that 95% planned on going 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) extended warranties Standard &Poor's 500, a researcher contacts 54 of the 500 companies 32. A survey of 1254 preowned automobile shoppers found that 5% bought 33. To gather information about starting salaries at companies listed in the 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 colle
#25,27,29,31,33

Answer 1

IDENTIFYING POPULATION, SAMPLE AND SAMPLE DATASET:

25)  A survey of 1020 U.S. adults found that 42% trust their political leaders.

The population consists of the responses of all U.S. adults, and the sample consists of the responses of 1020 U.S. adults in the study. The sample dataset consists of responses from 1020 U.S. adults, whether they trust their political leaders or not. Where 42% of U.S. adults trust their political leaders and remaining 58% of U.S. adults do not trust their political leaders.

27)  A survey of 3301 U.S. adults found that 39% received an influenza vaccine for a recent flu season.

The population consists of the responses of all U.S. adults, and the sample consists of the responses of 3301 U.S. adults in the study. The sample dataset consists of responses from 3301 U.S. adults, whether they have received an influenza vaccine for a recent flu season or not. Where 39% of U.S. adults received an influenza vaccine for a recent flu season and remaining 61% of U.S. adults did not receive an influenza vaccine for a recent flu season.

29)  A survey of 159 U.S. law firms found that the average hourly billing rate for partners was $604.

The population consists of the responses of all U.S. law firms, and the sample consists of the responses of 159 U.S. law firms in the study. The sample dataset consists of hourly billing rate of 159 U.S. law firms.

31)  A survey of 1029 U.S. adults found that 23% of those suffering with chronic pain had been diagnosed with a sleep disorder.

The population consists of the responses of all U.S. adults, and the sample consists of the responses of 1029 U.S. adults in the study. The sample dataset consists of responses from 1029 U.S. adults, whether adults suffering with chronic pain had been diagnosed with a sleep disorder or not. Where 23% of those suffering with chronic pain had been diagnosed with a sleep disorder and remaining 77% of those suffering with chronic pain had not been diagnosed with a sleep disorder.

33)  To gather information about starting salaries at companies listed in the Standard & Poor’s 500, a researcher contacts 54 of the 500 companies.

The population consists of the responses of all 500 companies listed in the Standard & Poor’s 500, and the sample consists of the responses of 54 companies in the study. The sample dataset consists of starting salaries at 54 companies.