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13 Terms

1
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Accuracy

how close a messurment is to the true value

2
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Percision

how close multiple mesurments are to eachother

3
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higher persicion

more narrow curve

4
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systematic error

consistently over or under estimate of a measurement

5
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what is systematic error a measurment of

Accuracy

6
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Random error

variation in meassuring something repeatatly.

7
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what is random error a measurment of?

precision

8
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Law of large numbers

as the sample size gets larger, the mean of the samples gets closer to the population mean

9
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central limit theroy

the sample distribution of the mean will appproximate the normal distribution given a large sample size

10
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σ

population standard deviation

11
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μ

population mean

12
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x bar

sample mean

13
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s

sample standard deviation