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formula quiz 14

fq14

QuestionAnswer
test statistic for a linear regression t test t= b1/sb1
degrees of freedom n-2
linear regression t interval b1 plus or minus t star sb1
b1 is the slope of the regression line based on the sample data and
sb1 is s over root n-1 times s of x
s is the sample standard devation fo the ersiduals
formula for s square root of sigma y minus yhat squared over df
Created by: lilee256
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