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In polling what are random samples?
fg
Why are random samples hard to obtain?
Cus
Why are random samples so important in Statistics?
Statistics is the science of making effective use of numerical data relating to groups of individuals or experiments sampling is an important to statistics because It deals with all aspects of this including not only the collection analysis and interpretation of such data but also the planning of the collection of data -SDOT15DELEON
How do you select sample size in market research?
to select a random sample you pick them at random
When are two random samples dependent?
Two random samples are dependent if each data value in one sample can be paired with a corresponding data value in the other sample.
How is data collected in statistics?
data can be collected many different ways, but a survey can be cunducted in a few different ways some of them are: simple random, stratified, block samples stratified simple random
Which of the following are examples of inferential statistics?
Testing random samples of wild animals to decide whether they are healthy Testing 1 in 10 of a company's products to determine that they are defect-free
In polling what are random samples?
fg
Will all random samples from a given population have the same mean?
Data from random samples will not always include the same values. Values are chosen randomly and they may or may not be the same. So means will vary among random samples.
Why are random samples so important in Statistics?
Statistics is the science of making effective use of numerical data relating to groups of individuals or experiments sampling is an important to statistics because It deals with all aspects of this including not only the collection analysis and interpretation of such data but also the planning of the collection of data -SDOT15DELEON
Why are random samples hard to obtain?
Cus
What are three reasons that samples are used in statistics?
5
How do you select sample size in market research?
to select a random sample you pick them at random
Three reasons why samples are used in statistics?
There are a few reasons why samples are used in statistics. One reason is that the whole population cannot be used and a sample is a good representation of the whole.
When are two random samples independent?
z test
When are two random samples dependent?
Two random samples are dependent if each data value in one sample can be paired with a corresponding data value in the other sample.
Why do people often work with samples in statistics?
to save money
