Use a stem-and-leaf plot to display the data. The data represent the heights of

Question

Use a stem-and-leaf plot to display the data. The data represent the heights of eruptions by a. What can you conclude about the data? Choose the correct stem-and-leaf plot what can you conclude about the data? A. It appears the most eruptions have a height a greater than 120. B. It appears the most eruptions have a height of around 120. C. It appears the most eruptions have a height less than 140. D. It appears the most eruptions have a height of around 12. E. It appears the most eruptions have a height between 11 and 13.

Explanation / Answer

To draw the stem and leaf plot, arrange data in ascending order. The minimum count is 90 and maximum ount is 150. Therefore, for two digit number, 90, the stem is 9 and leaf is 0. For three digit number, 100, stem is 10, followed by the last digit 0 as leaf. Thus the plot is as follows:

Option B is correct.

By studying the stem and leaf plot, it appears that the distribution is normal with most of the eruptions having height around 120. Option B is correct.

Stem Leaf 9 0 10 0 2 11 0 0 2 5 12 0 0 2 7 7 8 13 0 0 2 6 14 0 7 15 0

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