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Is a biased sample always valid?
a biased sample is valid determin
Why is it important to have a representative sample when doing surveys?
Because without representative sample, your results will not be valid.
Which sample size out of a population of 1000 is most likely to lead to a valid conclusion?
Providing of course that a sample is representative of the population from which it is drawn, the bigger it is the more likely it will be to lead to a valid conclusion. Therefore, the best sample size when there are no restrictions, as in this case, would be one of 1000.
What is the importance of a representative sample?
Well, if your sample does not represent the larger sample, you'll certainly not get a valid result ... For example, if you're studying pregnancy and your sample includes men - The whole idea of "representative' sample is fuzzy and often gives interesting errors.
Which sample size out of a population of 1,000 is most likely to lead to a valid conclusion50150200100?
China?
Which conditions may be met for a scientifically valid sample?
at random to represent the population
How might choosing a small sample size affect a scientific investigation?
Statistically the results will not be scientifically valid if the sample size is too small.
Is a biased sample always valid?
a biased sample is valid determin
What is the most scientifically valid research?
observation
What makes some scientist ignore the more scientifically valid rapid-decay theory?
If you're talking about what I think you're talking about, the fact that it is not "scientifically valid" might have a lot to do with it.
Why is obtaining a representative sample important?
Many statistical statements for a population which are based on a sample are not valid if the sample is not representative.
What conditions are required to form a valid large-sample confidence interval for you?
1) What conditions are required to form a valid large-sample confidence interval for µ?
Why is it important to have a representative sample when doing surveys?
Because without representative sample, your results will not be valid.
How long is a group and hold blood sample valid for?
30 min
Which sample size out of a population of 1000 is most likely to lead to a valid conclusion?
Providing of course that a sample is representative of the population from which it is drawn, the bigger it is the more likely it will be to lead to a valid conclusion. Therefore, the best sample size when there are no restrictions, as in this case, would be one of 1000.
The constant rate used as a gauge in calculating the valid sample size?
statistics
Is a biased sample valid?
No because in statistics a biased collection of data is invalid.
