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Earn +20 ptsQ: What does cultures are negative mean in a urine sample?
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Continue Learning about Statistics
Can the sample mean be a negative number?
Yes, it can.
Can the sample mean in statistics be either positive or negative?
It can have either a negative or positive trend
What does a 90 degree urine sample mean?
that its old, fresh urine samples are usually between those temperatures. So if taking a drug test it can spotted that someone may have brought in someone else's urine because it isn't hot/fresh
What happens to the sample mean as the sample size increases?
With a good sample, the sample mean gets closer to the population mean.
When using the distribution of sample mean to estimate the population mean what is the benefit of using larger sample sizes?
The variance decreases with a larger sample so that the sample mean is likely to be closer to the population mean.
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