Thread: Confidence interval

Can anyone show me how to do this problem please?

A stress test was completed for a group of 10 men subjected to a stress situation. The mean number of heartbeats per minute was 126, and the standard deviation was 4. find the 95% confiedence interval of the true mean?

Originally Posted by bathola

Can anyone show me how to do this problem please?

A stress test was completed for a group of 10 men subjected to a stress situation. The mean number of heartbeats per minute was 126, and the standard deviation was 4. find the 95% confiedence interval of the true mean?

Have you reviewed any examples from your class notes or textbook? Where are you stuck?