The sales records of a real estate company for the month of May shows the following house prices (rounded to the nearest $1,000). Values are in thousands of dollars. 
a.
Develop a frequency distribution and a percent frequency distribution for the house prices. (Use 5 classes and have your first class be 20 - 39.)
b.
Develop a cumulative frequency and a cumulative percent frequency distribution for the above data.
c.
What percentage of the houses are sold at a price below $80,000?
Definitions:
National Level
Pertains to activities or issues that encompass an entire nation, as opposed to local or regional aspects.
Concurrent Powers
Powers in federal systems that are shared by both the state governments and the federal government.
National
Relating to or characteristic of a nation; typically referring to matters that affect a country as a whole.
State Governments
The governmental authorities of individual states within a federal system, responsible for local governance and exercising certain powers independently from the federal government.
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