Bluegravity

This page lists questions and answers that were posted by visitors named Bluegravity.

Questions

The following questions were asked by visitors named Bluegravity.

Answers

The following answers were posted by visitors named Bluegravity.

That is incorrect. You do not use the Z-score for the mean. This is a Chi-square distribution. 1-.9=.10/2 (for left and right alpha tail) = .05 Find .05 and .95 using the d.f.=23 That equals 34.172 and 13.091 Using the formula for the variance which is ((...