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Q: What is An acid test is used on rock sample to see if it bubblesWhich characteristic is being tested?
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Related questions

What sample size is sufficient for stat?

A sample size of one is sufficient to enable you to calculate a statistic.The sample size required for a "good" statistical estimate will depend on the variability of the characteristic being studied as well as the accuracy required in the result. A rare characteristic will require a large sample. A high degree of accuracy will also require a large sample.


How much data is needed to have a representative sample of the population?

The answer depends on the variability of the characteristic that is being measured.


What is the primary characteristic of a probability sample?

In the context of a sample of size n out of a population of N, any sample of size n has the same probability of being selected. This is equivalent to the statement that any member of the population has the same probability of being included in the sample.


What do you call a sample that goes through all the steps of an experiment and does not contain the factor being tested?

a control


What do you call a sample that goes through all the steps of an experiment and does not contain a factor being tested?

a control


How long can a urine sample be kept for if it is being tested for alcohol?

6 hours, 12 hours in the refirgerator.


What is the defining characteristic of a random sample?

Each member of the population has the same probability of being in the sample as any other. Equivalently, any set of members of the given sample size has the same probability of being selected as any other set.


Why is complete clotting necessary in blood banking test?

to identify the blood type of the patient or the sample being tested


How long does a urine sample stay good for if being tested for THC?

A urine sample usually lasts up to 7 days if frozen.


What do you call a sample that goes through all the steps of an experiment except the one being tested?

The control, or control group, goes through all the steps of an experiment, but does not contain the factor being tested, which is called the experimental variable or independent variable.


How is skin scraping performed for collecting human DNA?

Using a a cotton swab, the sample cells are usually taken from inside the cheek of the subject being tested.


What is a factor being tested in a experiment?

The factor being tested is the dependent variable.