Question: The file syc.dat, used in Example 7.7 contains other information from the 1987 Survey of Youth in Custody. Draw a histogram, using the weights, for

The file syc.dat, used in Example 7.7 contains other information from the 1987 Survey of Youth in Custody. Draw a histogram, using the weights, for the age of the youth at first arrest. What is the average age of first arrest? The median? The 25th percentile? Use the “final weight” to estimate these quantities. How do your estimates compare to estimates obtained without using weights?

The 1987 Survey of Youth in Custody (Beck et al., 1988; U.S. Department of Justice,

1989) sampled juveniles and young adults in long-term, state-operated juvenile institutions.

Residents of facilities at the end of 1987 were interviewed about family

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