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What two features must a sample have if it is to accurately represent a population?
Wiki User
∙ 14y ago
differences between quantitative and qualitative data
Wiki User
∙ 14y ago
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What happens to the sample size if you increase the standard deviation?
The statistics of the population aren't supposed to depend on the sample size. If they do, that just means that at least one of the samples doesn't accurately represent the population. Maybe both.
What is a representative sample?
A sample that accurately reflects the characteristics of the population as a whole
Samplea sample that does not fairly represent the population?
Biased sample
Can a standard deviation of a sample be less than a standard deviation of a population?
Sure it can. But in the survey business, the trick is to select your sample carefully so that they'll be equal, i.e. a sample that is accurately representative of the population.
In statistics the group of individuals used to represent the population is called the?
sample.
What two features must a sample have to accurately represent a population?
What two features must a sample have to accurately represent a population?
What two features must a sample have if its to accurately represent a population?
The sample must be large and random.
What will happen if the sample you have drawn from the population does not represent the population?
You are studying the sample because you want to find out information about the whole population. If the sample you have drawn from the population does not represent the population, you will find out about the sample but will not find out about the population.
What happens to the sample size if you increase the standard deviation?
The statistics of the population aren't supposed to depend on the sample size. If they do, that just means that at least one of the samples doesn't accurately represent the population. Maybe both.
What is a representative sample?
A sample that accurately reflects the characteristics of the population as a whole
A subset of a population selected to represent the population is a?
sample
Samplea sample that does not fairly represent the population?
Biased sample
Will Random sample always accurately predict the outcomes of an entire population?
No. Only a census can ACCURATELY predict the outcomes: a random sample cannot.
Which conditions may be met for a scientifically valid sample?
at random to represent the population
What is a biased sample?
A biased sample is a sample that is not random. A biased sample will skew the research because the sample does not represent the population.
What is a biased?
A biased sample is a sample that is not random. A biased sample will skew the research because the sample does not represent the population.
What is the term for a small group that accurately reflects a large population?
Representative Sample.
