Consider the stem-and-leaf display to the right. a. How many observations were in the original data set? b. In the bottom row of the stem-and-leaf display, identify the stem, the leaves, and the numbers in the original data set represented by this stem and its leaves. c. Re-create all the numbers in the data set and construct a dot plot.

A. 23

b. The bottom row has leaves which are 0, 1, 2 and  the stem is 0. 0.0, 0.1, and 0.2 are the original data.

See attached for the  dot plot

Explanation:

a. To determine the number of observations in the original data set, count the number of leaf in the tale

b. The stem and leaves  is clearly visible on the table , the original data set represented by this stem and its leaves can be gotten by interpreting the stem as the whole number and the individual leaves as it decimal point

c. After getting the original data set represented by this stem and its leaves, the dot plot can easily be plotted.

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