Asked by Sam
using a=0.05, test for mean 1 greater than mean 2.
group n mean std dev.
1 30 13.5 1.1
2 30 12.0 1.2
group n mean std dev.
1 30 13.5 1.1
2 30 12.0 1.2
Answers
Answered by
PsyDAG
Calculate standard error (SE) for each mean.
SE = SD/sq. root of n -1
Get z score of difference between means divided by square root of sum of SE^2.
Look up value in bask of statistics text in table labeled something like "areas under the normal distribution."
I hope this helps. Thanks for asking.
SE = SD/sq. root of n -1
Get z score of difference between means divided by square root of sum of SE^2.
Look up value in bask of statistics text in table labeled something like "areas under the normal distribution."
I hope this helps. Thanks for asking.
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.