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If they are randomly drawn and large enough.
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What is the definition of simple random sample?
There are two equivalent ways of defining a simple random sample from a larger population. One definition is that every member of the population has the same probability of being included in the sample. The second is that, if you generate all possible samples of the given size from the population, then each such sample has the same probability of being selected for use.
Measurements from a population are called?
Samples
What is standard deviation of the mean?
If repeated samples are taken from a population, then they will not have the same mean each time. The mean itself will have some distribution. This will have the same mean as the population mean and the standard deviation of this statistic is the standard deviation of the mean.
What is success independent samples design?
different samples of respondents from the population complete the survey over a time period
How many simple random samples of size 5 can be selected from a population of size 35?
There are 324,632 possible samples.
Will all random samples from a given population have the same mean?
Data from random samples will not always include the same values. Values are chosen randomly and they may or may not be the same. So means will vary among random samples.
How can descriptive statistics be used to understand a samples characteristics?
Will a sample descriptive statistics accurately estimate the underlying population's parameters?
Which unit of analysis do most sociologists study?
The unit of analysis that most sociologists study are samples. Samples portray the characteristics of the larger population from which the samples are taken.Reference:Vissing, Y. (2011). Introduction to Sociology. San Diego, CA: Bridgepoint Education, Inc.
Another term used to describe the average is called the?
The "average" of the population of samples is the same as their "mean".
If there are 3 different samples from a set population can you get 3 different values for the same statistic?
Yes you can.
What is an population of animals?
A population of animals is a group of animals of the same kind, same species, have the same characteristics, living in the same habitat. For example, a population of frogs at a pond. A population of squirrels in a tree.
What is a sampling variability?
A sampling variability is the tendency of the same statistic computed from a number of random samples drawn from the same population to differ.
When is the sample mean over repeated samples from the same population or process not normally distributed?
Provided the samples are independent, the Central Limit Theorem will ensure that the sample means will be distributed approximately normally with mean equal to the population mean.
What is the definition of simple random sample?
There are two equivalent ways of defining a simple random sample from a larger population. One definition is that every member of the population has the same probability of being included in the sample. The second is that, if you generate all possible samples of the given size from the population, then each such sample has the same probability of being selected for use.
Measurements from a population are called?
Samples
What is the sample whose characteristics are the same as those of the population it is intended to reflect?
representative
What is the distribution of values taken by a statistic in all possible samples of equal size from the same population?
It is the sampling distribution of that variable.
