C1. Suppose you surveyed 30 people and asked them whether they are white (W) or nonwhite (N) and how many traumas (serious accidents, rapes, or crimes) they have experienced in the past year. You also asked them to tell you whether they perceive themselves as being in the upper, middle, working, or lower class. Your survey resulted in the raw data presented in the following table:

1. Identify the level of measurement for each variable.

2. Construct raw frequency tables for race.

3. What proportion of the 30 individuals is nonwhite? What percentage is white?

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. Note: Race: W = white; N = nonwhite; Class: L = lower class; M = middle class; U = upper class; W = working class.