A sociologist wishes to see if it is true that for acertain group of professional women, the average age at which theyhave their first child is 28.6 years. A random sample of 36 womenis selected, and their ages at the birth of their first child arerecorded. At α = 0.05, does the evidence refute the sociologist’sassertion?
Ages at birth 32Â Â 28Â Â 26Â Â 33Â Â 35Â Â 34Â Â 29Â Â 24Â Â 22Â Â 25Â Â 26Â Â 28Â Â 28Â Â 34Â Â 33Â Â 32Â Â 30Â Â 29Â Â 30Â Â 27Â Â 33Â Â 34Â Â 28Â Â 25Â Â 24Â Â 33Â Â 25Â Â 37Â Â 35Â Â 33 34Â Â 36Â Â 38Â Â 27Â Â 29Â Â 26
