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imad6684
21.01.2020 •
Mathematics
1. true or false: the collection of all cars registered in the united states is an example of a population.
2. are weights of motorcycles discrete data or continuous data?
3. true or false: selecting every fifth name on a list results in a simple random sample.
4. true or false: the average (mean) age of people who respond to a particular survey is an example of a parameter.
5. for a study in which subjects are treated with a new drug and then observed, is the study observational or is it an experiment?
6. true or false: eye colors are an example of ordinal data.
7. fill in the blank: a parameter is a numerical measurement describing some characteristic of a
8. are movie ratings of g, pg-13, and r quantitative data or categorical data?
9. what is the level of measurement of data consisting of the book categories of science, literature, mathematics, and history (nominal, ordinal, interval, ratio)?
10. a pollster calls 500 randomly selected people, and all 500 respond to her first question. because the subjects agreed to respond, is the sample a voluntary response sample?
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Ответ:
1. True
2. continuous data:
3. False
4. True
5. experimental study
6. False
7. particular study
8. categorical data:
9. Nominal data
10. Yes
Step-by-step explanation:
1. True : population is a term use in statistic to study a problem/research. it is the total set of the parameter taken from an observation.
2. continuous data: Discrete data are countable, it can follow a integer sequence data while continuous are values taken that are measurable.
3. False: simple random sample are data taken by chance. Selecting every fifth name cannot be selected consecutively by chance.
4. true: A parameter are values representing the entire population.
5. experimental study: in a research, observational study is what you see, but experimental study is a control study in which the effects is seen by applying the research on some member.
6. False: Eye color is an example of nominal data
7. A parameter is a numerical measurement describing some characteristic of a particular study. for example mean, mode, varriance e.t.c
8. categorical data: movie rating are data gotten through voting preference
9. Nominal data: are data that represent name of a group like book, cars, goat,
10. Yes. Voluntary response samples are are randomly selected people whom have voluntarily agreed to respond to a particular survey or question.
Ответ:
Step-by-step explanation: