Approximately how many children were hospitalized because of shaken baby syndrome in the U.S. in 2004?

Which of the following statements about couples who cohabit before they are married is true?

They are less likely to experience domestic violence. They are more likely to divorce if they marry. They are more likely to engage in extramarital affairs. They are less likely to divorce.

The advantages of the familiar, precise parametric techniques over nonparametric methods can be obtained by __________

Fill in the blanks with correct word