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One hundred subjects in a psychological study had a mean of 35 on a test instrument designed to measure anger. The study the ó=...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.
Answers
PsyDAG
99% = mean ± 2.575 SEm
SEm = SD/√n
Insert values and calculate.
SEm = SD/√n
Insert values and calculate.