Www.houston.k12.tn.us

This is the z-score (unless you are calculating “above” the z-score ... For a right tailed test, use the “Positive” answer 1.725 . NOTE: For a left tailed test, use the “negative answer” -1.7247. NOTE: For a 2 tailed test, divide the area into 2 (.05/2 = .025) and use both tails. Hypothesis Tests for Proportions. ................
................