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A random sample of X1 , ..., X53 , from the chi-square distribution with m degree of freedom, has sample mean X =100.8 and sample

A random sample of X1 , ..., X53 , from the chi-square distribution with m degree of freedom, has sample mean X =100.8 and sample standard deviation s =12.4 . (a) Find a one-sided 90% lower confidence interval of m. Please write the R code for this

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