Question
Use the given information to find the number of degrees of freedom, the critical values chi...
Use the given information to find the number of degrees of
freedom, the critical values chi Subscript Upper L Superscript 2
and chi Subscript Upper R Superscript 2, and the confidence
interval estimate of sigma. It is reasonable to assume that a
simple random sample has been selected from a population with a
normal distribution.
Platelet Counts of Women 99% confidence; nequals23,
sequals65.1.
Homework Answers
Answer #1
Refer chi-square table or use excel formula "=CHISQ.INV.RT(0.995,22)" & "=CHISQ.INV.RT(0.005,22)" to find the critical values.
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