MTH128_ Chapter 1 Definitions and Data HW

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School

Eastern Gateway Community College *

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128

Subject

Statistics

Date

Apr 3, 2024

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docx

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Uploaded by MajorVulture2292

1. A researcher is interested in attitudes towards releasing prisoners with Alzheimer's who have a life sentence. 85 randomly selected Americans were asked, "Prisoners with Alzheimer's who have a life sentence should be released: Strongly Agree, Agree, Disagree, Strongly Disagree". Match the vocabulary word with its corresponding example. - A: The list of answers that the 85 Americans gave. - E : The proportion of all Americans who strongly agree that prisoners with life sentences who have Alzheimer's should be released - C: All Americans - D: The answer 'Strongly Agree' or 'Agree' or 'Disagree' or 'Strongly Disagree' - B: The 85 Americans who participated in the survey - F: The proportion of the 85 Americans surveyed who strongly agree that prisoners with life sentences who have Alzheimer's should be released a. Data b. Sample c. Population d. Variable e. Parameter f. Statistic 2. A rancher is interested in the average age that a cow begins producing milk. Match the vocabulary word with its corresponding example. - A The average age for the 62 observed milk cows as they first produced milk - C The list of the 62 ages - B The age when a milk cow first produced milk - F The average age that all milk cows are when they first produce milk - D: All milk cows - E: The 62 milk cows that were observed by the rancher a. Statistic b. Variable c. Data d. Population e. Sample f. Parameter 3. A political action committee is interested in the proportion of all registered voters who will vote "Yes" on a measure to expand the use of solar energy. Match the vocabulary word with its corresponding example. - B All registered voters in the US - F The proportion of the 1000 registered voters that were surveyed who will vote Yes on the measure - A The list of Yes and No answers that were given by the 1000 participants in the study - C The 1000 registered voters who participated in the study - E Yes or No for each registered voter - D The proportion of registered voters who will vote Yes on the measure

a. Data b. Population c. Sample d. Parameter e. Variable f. Statistic 4. A fitness center is interested in the average amount of time a client exercises in the center each week. Match the vocabulary word with its corresponding example. - B The amount of time that any given client from the fitness center exercises - E All 45 exercise times there were recorded from the participants in the study - C The average amount of time that all clients from the fitness center exercise - F All clients at the fitness center - A The average amount of exercise time for the 45 clients from the fitness center who participated in the study - D The 45 clients from the fitness center who participated in the study a. Statistic b. Variable c. Parameter d. Sample e. Data f. Population 5. Insurance companies are interested in the average health costs each year for their clients, so that they can determine the costs of health insurance. Match the vocabulary word with its corresponding example. - D The 400 clients that the insurance company included in this study - C The cost each year for health care - F The average health care cost each year for the 400 clients that the insurance company included in this study - A The list of the 400 annual health care costs for the clients that the insurance company include in the study - E The average health care cost each year for all of the insurance company's clients - B All of the insurance company's clients a. Parameter b. Population c. Variable d. Sample e. Data f. Statistic 6. A researcher is interested in attitudes towards releasing prisoners with Alzheimer's who have a life sentence. 85 randomly selected Americans were asked, "Prisoners with Alzheimer's who have a life sentence should be released: Strongly Agree, Agree, Disagree, Strongly Disagree". Match the vocabulary word with its corresponding example.

- F The 85 Americans who participated in the survey - E The list of answers that the 85 Americans gave. - C The proportion of all Americans who strongly agree that prisoners with life sentences who have Alzheimer's should be released - A The proportion of the 85 Americans surveyed who strongly agree that prisoners with life sentences who have Alzheimer's should be released - B All Americans - D The answer 'Strongly Agree' or 'Agree' or 'Disagree' or 'Strongly Disagree' a. Statistic b. Population c. Parameter d. Variable e. Data f. Sample 7. A politician is interested in the proportion of voters in his district that think he is doing a good job. Match the vocabulary word with its corresponding example. - A The 900 randomly selected voters that the politician surveyed - F The proportion of the 900 voters surveyed think that the politician is doing a good job - B All voters in the politician's district - E The answer Yes or No that a voter gives when asked whether the politician is doing a good job - D The list of 900 Yes or No answers - C The proportion of all of the district's voters who think that the politician is doing a good job a. Sample b. Parameter c. Statistic d. Data e. Population f. Variable 8. Political pollsters may be interested in the proportion of people that will vote for a particular cause. Match the vocabulary word with its corresponding example. - A All the voters in the district - E The 750 voters who participated in the survey - B The answer Yes or No to the survey question - C The list of 750 Yes or No answers to the survey question - D The proportion of the 750 survey participants who will vote for the cause - F The proportion of all voters from the district who will vote for the cause a. Population b. Variable c. Data d. Statistic e. Sample f. Parameter

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9. Political pollsters may be interested in the proportion of people that will vote for a particular cause. Match the vocabulary word with its corresponding example. - D The proportion of all voters from the district who will vote for the cause - A The list of 750 Yes or No answers to the survey question - C The answer Yes or No to the survey question - F All the voters in the district - E The 750 voters who participated in the survey - D The proportion of the 750 survey participants who will vote for the cause a. Data b. Statistic c. Variable d. Parameter e. Sample f. Population 10. Ski resorts are interested in the average age that children take their first ski and snowboard lessons. They need this information to optimally plan their ski classes. Match the vocabulary word with its corresponding example. - A The average age that all children take their first lesson - B The age that children take their first lesson - D The average age that the 92 children took their first lesson - C The 92 children who were asked when they took their first lesson - E All children who ski and snowboard - F The list of the 92 ages that the children from the study took their first lesson a. Sample b. Variable c. Parameter d. Statistic e. Population f. Data

MTH128_ Chapter 1 Definitions and Data HW

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