Birth order revisited Consider again the data on birth order and college majors in Exercise 28. a) What is the marginal distribution of majors? b) What is the conditional distribution of majors for the oldest children? c) What is the conditional distribution of majors for the children born second? d) Do you think that college major appears to be independent of birth order? Explain.
1/8/16 -! Clovis group existed before Native American tribes o! Originated in Siberia based on DNA evidence from Clovis child which confirmed the land bridge theory o! Clovis people were hunters until mammoths and other large mammals went extinct o! Clovis people began to settle and hunt/gather, forming tribes -! Cahokia was a tribe that came from the Clovis group after settlement o! Cahokia built large mounds for burial of the dead and for religion purposes !! Called “Monks Mound” !! Located in St. Louis, Missouri o! At it’s height 25,000 people lived at Cahokia o! They had a plaza for sports, feasts, and religious events o! The first Europeans