statistics test1
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13 Terms
Accuracy
how close a messurment is to the true value
Percision
how close multiple mesurments are to eachother
higher persicion
more narrow curve
systematic error
consistently over or under estimate of a measurement
what is systematic error a measurment of
Accuracy
Random error
variation in meassuring something repeatatly.
what is random error a measurment of?
precision
Law of large numbers
as the sample size gets larger, the mean of the samples gets closer to the population mean
central limit theroy
the sample distribution of the mean will appproximate the normal distribution given a large sample size
σ
population standard deviation
μ
population mean
x bar
sample mean
s
sample standard deviation
Note 
Flashcards (43)