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What are the disadvantages of non probability sampling?
It is quite likely that the sample is not representative of the population and so while statistical conclusion may be valid for the sample, they may not apply to the population.
Which sample size out of a population of 1,000 is most likely to lead to a valid conclusion50150200100?
China?
When a sample is representative of a population is said to be what?
When a sample is representative of a population, it is said to be a "probability sample" or simply a "representative sample." This means that the characteristics of the sample accurately reflect those of the larger population, allowing for valid inferences and generalizations. Such samples are essential in statistical analysis to ensure the findings can be applied to the entire population.
What is a valid conclusion?
A valid conclusion is when your conclusion is written using the text you have and get it right.
Why is a large sample likely to be a better predictor of a population preference than a small sample?
A large sample is likely to be a better predictor of a population preference because it reduces the impact of random variation and provides a more representative cross-section of the population. This increased size can capture a wider range of opinions and behaviors, leading to more reliable and valid results. Additionally, larger samples tend to have smaller margins of error, which enhances the accuracy of the predictions made about the population.
What are the disadvantages of non probability sampling?
It is quite likely that the sample is not representative of the population and so while statistical conclusion may be valid for the sample, they may not apply to the population.
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
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.
In reasoning the conclusion derived from the premise is likely to be valid but is not necessarily so?
Inductive
What does it mean to say that the sample variance provides an unbiased estimate of the population variance?
It means you can take a measure of the variance of the sample and expect that result to be consistent for the entire population, and the sample is a valid representation for/of the population and does not influence that measure of the population.
When a sample is representative of a population is said to be what?
When a sample is representative of a population, it is said to be a "probability sample" or simply a "representative sample." This means that the characteristics of the sample accurately reflect those of the larger population, allowing for valid inferences and generalizations. Such samples are essential in statistical analysis to ensure the findings can be applied to the entire population.
What is a valid conclusion?
A valid conclusion is when your conclusion is written using the text you have and get it right.
Why is a large sample likely to be a better predictor of a population preference than a small sample?
A large sample is likely to be a better predictor of a population preference because it reduces the impact of random variation and provides a more representative cross-section of the population. This increased size can capture a wider range of opinions and behaviors, leading to more reliable and valid results. Additionally, larger samples tend to have smaller margins of error, which enhances the accuracy of the predictions made about the population.
Can a valid deductive argument have a false conclusion?
No, a valid deductive argument cannot have a false conclusion. If the argument is valid, it means that the conclusion logically follows from the premises. If the conclusion is false, it means that the argument is not valid.
Is a biased sample always valid?
a biased sample is valid determin
What is the conclusion that can be drawn if all the premises of an argument are true?
If all the premises of an argument are true, then the conclusion drawn from those premises is likely to be valid and logically sound.
