The combined standard deviation of the groups’ data, as if it were not separated into to different groups is called the

Question

The combined standard deviation of the groups’ data, as if it were not separated into to different groups is called the:

standard error


pooled standard deviation


average error


pooled standard error

Answer 1

The combined standard deviation of the groups’ data, as if it were not separated into to different groups is called the:

pooled standard deviation

 

This pooled standard deviation is used to compute the pooled standard error which is part of the independent sample t test.