An auction company sold 15 handhold computers last month. The final prices (in d

Question

An auction company sold 15 handhold computers last month. The final prices (in dollars) at which the items sold are as follows. 245, 249, 234, 229, 228, 219, 238, 206, 249, 245, 229, 249, 228, 251, 218 a. Construct a stem-and-leaf plot. b. Summarize what this plat tells you about the data. a. Determine the leaves in the stem-and-leaf plot shown at the right. b. Which of the following best summarizes what the stem-and-leaf plot tells you about the data? A. The plot gives an overview of all the data. It clearly shows that the prices fall between $206 and $251 inclusive. B. The plot does not show all the data. It only shows the prices that fall between $206 and $251 inclusive. C. The plot gives an overview of all the data. It clearly shows that the prices fail between $200 and $260 inclusive. D. The plot does not show all the data. It only shows the prices that fall between $200 and $260 inclusive.

Explanation / Answer

First we arrange data in ascending order.

206, 218, 219, 228, 228, 229, 229, 234, 238, 245, 245, 249, 249, 249, 251

The stem and leaf graph is given by

20 | 6

21 | 8 , 9

22 | 8, 9, 9

23| 4, 8

24| 5, 5, 9 , 9, 9

25| 1

b) The correct option is

A. The plot gives an overview of all the data. It clearly shows that the prices fall between $206 and $251 inclusive.

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