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Flashcards do conjunto (10)
- 1What symbol denotes a sample proportion?P-hat, We use sample statistics to either estimate a population parameter or test a claim made about a population parameter.
- 2We use sample statistics to either estimate ____________or test a ___________.We use sample statistics to either estimate a population parameter or test a claim made about a population parameter.
- 3A ______ ________ is the proportion for the entire population.A population proportion is the proportion for the entire population.
- 4________ are numerical summaries of populations. _________ are numerical summaries of samples.Parameters are numerical summaries of populations. Statistics are numerical summaries of samples.
- 5P-hat is calculated by:Number of successes in sample/total sample size.
- 6A ______ _______ of sample proportions is the distribution of all possible sample proportions from samples of a given size.A sampling distribution of sample proportions is the distribution of all possible sample proportions from samples of a given size.
- 7Population: Sample:Population:
All individuals or objects of interest to a researcher.
Sample:
Part of the population used to represent the entire population. - 8Parameter: A numerical value that summarizes the population. Statistic: A numerical value that summarizes the sample.Parameter:
A numerical value that summarizes the population.
Statistic:
A numerical value that summarizes the sample. - 9Success/FailureSuccess/Failure:
The outcome we are/are not interested in for a categorical variable. - 10Distribution of Sample Proportions: All possible values of the sample proportion and how often it takes on each value. Each sample has the same size.Distribution of Sample Proportions:
All possible values of the sample proportion and how often it takes on each value. Each sample has the same size.
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- FlashCards sobre Sem título, criado por Diana Kleven em 11-07-2017.
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- Diana Kleven
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