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How do sample size selection of alpha level and precision of measurement affect the type II error rate?
Wiki User
∙ 12y ago
please tell me the answer
Wiki User
∙ 12y ago
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What is precision in research methodology?
Precision refers to closeness of findings to reality based on a sample
The precision with which a sample average approximates a population average increases as?
the standard deviation of the sample decreases.
What is independent values?
sample data drawn from one population is completely unrelated to the selection of sample data from the other population.
What is non-random selection?
A non-random selection is one in which all of the people do not have equal chance of being included in the sample.
How does sample size affect the experiment?
The sample size determines the accuracy of results in an experiment
Are there any shortcomings with volume as a measurement?
You should also include the temperature and pressure when the measurement is taken because these affect the sample measured.
What is precision in research methodology?
Precision refers to closeness of findings to reality based on a sample
A sample average can be used to estimate a population average precision if the sample is?
large
The precision with which a sample average approximates a population average increases as?
the standard deviation of the sample decreases.
How would you find the mass of a sample of soil?
With a precision balance.
When would random sampling not be the best approach to sample selection?
When would random sampling not be the best approach to sample selection
Sample questionnaire on recruitment and selection process?
recruitment and selection process
What is the purpose of blank samples?
Blank samples are used to establish a baseline measurement of background contamination in an analysis. By analyzing a blank sample containing no target analytes, researchers can identify and account for any background signals or contamination that may affect the accuracy of their results.
What determines the accuracy and precision of data?
The accuracy of data is determined by how closely it reflects the true value or quantity being measured. The precision of data is determined by how consistent or reproducible the results are when the measurement is repeated. Factors such as equipment calibration, human error, and sample size can affect both accuracy and precision.
What can help to increase study precision?
Increasing your sample size might help
What do you call the selection of people from the population being polled?
The sample.The sample.The sample.The sample.
List three characteristics good sample?
Ideally, representative samples should be: Taken at random so that every member of the population of data has an equal chance of selection; Large enough to give sufficient precision; Unbiased by the sampling procedure or equipment.
