Chapter 2: Q. 2.78 (page 69)
Construct a stem-and-leaf diagram for the data, using five lines per stem.
Chapter 2: Q. 2.78 (page 69)
Construct a stem-and-leaf diagram for the data, using five lines per stem.
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Get started for freeIn the special report "Mousetrap: The Most-Visited Shoe and Apparel E-tailers" (Footwear News, Vol. 58 , No. 3, p. 18), we found the following data on the average time, in minutes, spent per user per month from January to June of one year for a sample of shoe and apparel retail websites.
The following Minitab output shows a stem-and-leaf diagram for these data. The second column gives the stems, and the third column gives the leaves.
In a bar chart, unlike in a histogram, the bars do not abut. Give a possible reason for that.
Construct a stem-and-leaf diagram for the data, using one line per stem.
Some users of statistics prefer pie charts to bar charts because people are accustomed to having the horizontal axis of a graph show order. For example, someone "Republican" is less than "Other" because "Republican" is shown to the left of "Other" on the horizontal axis. Pie charts do not lead to such inferences. Give other advantages and disadvantages of each method.
Suppose that you have a data set that contains a large number of observations. Which graphical display is generally preferable; a histogram or a stem-and-leaf diagram? Explain your answer.
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