Kroc ranked No. 121 on Forbes magazine 's latest list of the nation 's wealthiest people , with an estimated net worth of $ 1.7 billion .
With an estimated net worth of $ 1.7 billion , Mrs. Kroc ranked No. 121 on Forbes magazine 's latest list of the nation 's wealthiest people .
describes the use of graphical displays to summarize and present information about a data set with many tools available such as graphs, charts and tables