In: Statistics and Probability
Use the given information to find the number of degrees of freedom, the critical values
chi Subscript Upper L Superscript χ2L
and
chi Subscript Upper R Superscript χ2R,
and the confidence interval estimate of
sigmaσ.
It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution.
Platelet Counts of Women
95%
confidence;
n=40,
s=65.4.