The U.S. National Oceanic and Atmospheric Administration publishes temperature data in Climatography of the United States. According to that document, the annual average maximum and minimum temperatures for selected cities in the United States are as provided on the WeissStats CD.
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.