In Table 1 (p. 47), Campbell and Horowitz provide summary information about the explanatory variables they analyzed. Taken from the table, for example,
Political ideology scale (7-item scale) (GSS Mean = 3.77; SD = 1.40; range = 1–7)
(SAF Mean = 3.71; SD = 1.41; range = 1–7)
What important summary information about the distribution is not listed for the variables in Table 2?
a. range
b. base number
c. skew
d. variability
e. central tendency
