Question

From the U.S. Census Bureau, in the document International Data Base, we obtained data on the expectation of life (in years) for people in various countries and areas. Those data are presented 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.


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  • CreatedAugust 13, 2015
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