One hundred subjects in a psychological study had a mean of 35 on a test instrument designed to measure anger. The study the ó=10. Find a 99% confidence interval for the mean anger score of the population.

Question

One hundred subjects in a psychological study had a mean of 35 on a test instrument designed to measure anger.  The study the ó=10.  Find a 99% confidence interval for the mean anger score of the population.

PsyDAG · Answer

99% = mean ± 2.575 SEm SEm = SD/√n

chris · Answer

so 2.575=10/what would n be?

Anonymous · Answer

The probability that Luis will pass his statistics test is 0.94. Find the probability that he will fail his statistics test.