Can a Z-interval be used when the sample size is between 15-30? does the variable play a role? I'm not too sure if it makes a difference.
I know it can be used if the population is a normal or large sample size but is 15-30 consider a normal size
Can a Z-interval be used when the sample size is between 15-30? does the variable play a role? I'm not too sure if it makes a difference.
I know it can be used if the population is a normal or large sample size but is 15-30 consider a normal size