The following relative frequency histogram summarizes the median household income for the 50 states in the United States (U.S. Census, 2010).

a. Is the distribution symmetric? If not, is it positively or negatively skewed?
b. What percentage of the states had median household income between $45,000 and $55,000?
c. What percentage of the states had median household income between $35,000 and$55,000?

Transcribed Image Text:

0.5 0.4 Relative 0.3 0.44 030.22 0.24 Frequency 0.2 0.10 0.1 35-45 45-55 55-65 65-75 Median Household Income (in $1,000s)