Asked by krissy
sample size needed with a mean of 100,standard deviation of 20 for the the population of normal adults an iq range to fall between 2 iq points with 95% confidence interval
Answers
Answered by
PsyDAG
95% = mean ± 1.96 SEm
SEm = SD/√n
2 = 1.96 * 20/√n
Solve for n.
SEm = SD/√n
2 = 1.96 * 20/√n
Solve for n.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.