Chapter 13: Inferential Statistics and Distributions 375
invNorm(
invNorm(invNorm(
invNorm(
invNorm( computes the inverse cumulative normal distribution function for a given area
under the normal distribution curve specified by mean m and standard deviation s. It
calculates the
x value associated with an area to the left of the x value. 0 area 1 must
be true. The defaults are m=0 and s=1.
invNorm(area[,m,s])
invT(
invT(invT(
invT(
invT( computes the inverse cumulative Student-t probability function specified by Degree
of Freedom, df for a given Area under the curve.
invT(area,df)
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