Question: Four preschool children were put to bed with a bedtime story one week and without a bedtime story for another week, and the number of hours the child slept was recorded. Each child was tested in both conditions. Did the children sleep significantly longer when they were given the bedtime story? (Note: use alpha level of .05 and a two-tailed test)

With Story Without Story

Child 1 6 7

Child 2 9 4

Child 3 8 5

Child 4 5 4