Refer to the previous exercise and the stemplot for the “oldest ages” in Figure 7.1.
a. Create a stemplot for the oldest ages using each 10s value twice instead of once on the stem.
b. Compare the stemplot created in part (a) with the one in Figure 7.1. Are any features of the data apparent in the new stemplot that were not apparent in Figure 7.1? Are any features of the data apparent in Figure 7.1 that are not apparent in the new stemplot? Explain.