The U.S. Department of Agriculture collects data pertaining to the value of agricultural exports and publishes its findings in U.S. Agricultural Trade Update. For one year, the values of these exports, by state, are provided on the WeissStats CD. Data are in millions of dollars.
a. Identify the population and variable under consideration.
b. Use the technology of your choice to obtain and interpret a frequency histogram, a relative-frequency histogram, or a percent histogram of the data.
c. Use the technology of your choice to obtain a dotplot of the data.
d. Use the technology of your choice to obtain a stem-and-leaf diagram of the data.
e. Identify the overall shape of the distribution.
f. State whether the distribution is (roughly) symmetric, right skewed, or left skewed.