0
pooters, scoop nets, quadrats (for plant life)
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
When can statistics be used to gain information about a population from a sample?
When the sample - whether it is random or systematic - is somehow representative of the population.
A sample average can be used to estimate a population average precision if the sample is?
large
How much error between sample mean and population mean?
The answer depends on the underlying variance (standard deviation) in the population, the size of the sample and the procedure used to select the sample.
Difference between calculating the sample mean and the population mean?
The same basic formula is used to calculate the sample or population mean. The sample mean is x bar and the population mean is mu. Add all the values in the sample or population and divide by the number of data values.
Population or sample psychology?
Portion of the entire population used to estimate what is likely happening within a population.
What is the difference between a sample and a census?
A Census is the type of survey for a complete population. A Sample Survey is only a portion of the population which is used to make predictions on the representation of the actual population.
How can you tell if the population data is related to the sample data?
There are Goodness-of-Fit tests that can be used. The choice of test will depend on what is known about the population and sample data.
What is sample and population relationship?
The sample is a subset of the population. For example, the population may be all the people at your school. A sample might be 5 people from each class. There are different types of sampling methods. The most commonly used is a simple random sample. When your obtain data from the entire population this is called a census.
Are Greek letters used for statistics or for parameters?
Greek letters are used for population parameters. Eg: µ is the population mean English letters are used for sample statistics. Eg: x-bar is the sample mean
A small number of people used to represent a entire population?
a sample
A parameter is a numerical descriptor that is used to describe a population or a sample?
Either.
In statistics the group of individuals used to represent the population is called the?
sample.
