Interpret either a Digidot Plot  or a Separate Stem-and Leaf and Time Series Plot for given Data

Question

The following table shows U.S petroleum imports, imports as a percentage of total, and Persian Gulf imports as a percentage of all imports by year since 1973. Construct and interpret either a digidot plot (or a marginal plot) or a separate stem-and leaf and time series plot for each column of data.

Summary: This question belongs to mathematics and discusses about U.S petroleum imports and to construct and interpret either a digidot plot (or a marginal plot) or a separate stem-and leaf and time series plot for given data.

Total Word count: 10