Heights of Mothers and Daughters Listed below are heights (in.) of mothers and their first daughters. The data are from a journal kept by Francis Galton. (See Data Set 6 “Family Heights.”) Use a 0.05 significance level to test the claim that there is no difference in heights between mothers and their first daughters.

Height of Mother 68.0 60 61.0 63.5 69 64.0 69 64 63.5 66 Height of Daughter 68.5 60 63.5 67.5 68 65.5 69 68 64.5 63