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What is the Definition of sample?
A small piece of something taken for testing or analysis.
Why is important that a sample be random and representative when conducting hypothesis testing?
It helps you nawser
What is saliva sample testing?
Saliva sample testing is a technique used to collect samples of a person's saliva, or spit, to check for or monitor certain drugs, hormones (chemical messengers from one cell or group of cells to another), antibodies
What role does Random Sampling Distribution in hypothesis testing?
It is an assumption to hypothesis testing. I can not comment on the significance of a violation of these assumptions without knowing how the non-random sample was taken.
When testing for differences between two means the sample population are?
You are testing the difference between two means of independent sample and the population variance are not known. from those population you take two samples of two different size n1and n2. what degrees of freedom is appropriate to consider in this case
What is a sample survey?
small percentage testing
How does DNA drug testing differ from a urine sample?
DNA drug testing doesn't exist.
How can you be tested for alcohol?
Testing for alcohol can be performed with an alcohol breath machine, with a sample of blood drawn, with a sample of urine, with a sample of mouth fluid, or with a sample of sweat.
How can you get an Icteric sample for validation testing?
Not clear what the question is about, please clarify
What does the word biopsy mean?
Taking a tissue sample for medical testing.
What is the Definition of sample?
A small piece of something taken for testing or analysis.
How do you determine an adequate sample size?
A sample size is needed whenever you conduct an experiment. How you determine an adequate sample size depends on the scope of what you're testing, such as medications.
What is each sample does not necessarily have the same properties as every other sample?
You will typically have an experimental parameter that will be varied as part of testing a hypothesis.
What does excluded means on DNA testing?
Excluded in DNA testing means that a particular individual is not a match to a sample or comparison that was tested, indicating that they are not the source of the DNA in question. This can be important in ruling out individuals as potential contributors to a sample or in identifying a match in cases like paternity testing.
What is used to create a large sample of DNA for testing for a small sample of DNA?
A technique called polymerase chain reaction (PCR) is used to create a large sample of DNA from a small sample. PCR amplifies specific regions of DNA by making millions of copies, allowing for further analysis and testing on the amplified DNA.
How do you know if a sample is more contaminated than other?
You can determine if a sample is more contaminated than another by comparing the levels of contaminants present in each sample. This can be done through analytical testing methods such as chemical analysis or microbiological testing. The sample with higher concentrations of contaminants is considered more contaminated than the sample with lower concentrations.
How would the technician verify the cause of problem?
verify the cause by testing the sample
