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STAT360

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Notes 12-3.R

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9 lines (9 loc) · 134 Bytes

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STAT360

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Notes 12-3.R

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9 lines (9 loc) · 134 Bytes

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x=c(3,9,7,4,2,5)

xbar=mean(x)

xbar

n=length(x)

n

z=qnorm(0.975,mean=0,sd=1)

sigma=4

ci=c(xbar-z*sigma/sqrt(n),xbar+z*sigma/sqrt(n))

ci

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