Research suggests that all people pass through the stages of bereavement and grief in the same way and at the same pace

A polyphasic sleep cycle is one in which the individual regularly sleeps

A) once every 24 hours. B) once every 24 hours, but sometimes in the day and sometimes in the night. C) more than once every 24 hours. D) three times or more every 24 hours. E) in two or more different advanced phases.

If two samples each have s2 = 10, then the pooled variance will be equal to 20, regardless of sample size

Indicate whether the statement is true or false