Justify your answers and detail your calculations briefly.

The US Census Bureau provides statistics on family life in the United States. including the age at the time of first marriage, current marital status. and size of household. The following data show the age at the time of first marriage for a sample of men and a sample of women. Men 26. 23. 28. 25. 27. 30. 26. 35. 28. 21. 24. 27. 29. 30. 27. 32. 27. 25 Wornen 20. 28. 23. 30. 24. 29. 26. 25. 22. 22. 25. 23. 27. 26. 19 I For both men and women. > determine the median age at the time of first marriage. > compute the rst and third quartiles. > determine the variance and standard deviation