Childbirth, part 2 In Exercise 23, the table shows results of a study investigating whether aftereffects of epidurals administered during childbirth might interfere with successful breastfeeding.

We’re planning to do a chi-square test.

a) How many degrees of freedom are there?

b) The smallest expected count will be in the epidural/no breastfeeding cell. What is it?

c) Check the assumptions and conditions for inference.