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Chapter 2: Q. 51 (page 134)
Use the following information to answer the next three exercises: State whether the data are symmetrical, skewed to the left, or skewed to the right.
The data is skewed to the right.
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In a survey, people were asked how many times they visited a store before making a major purchase. The results are shown in Table .
The following data set shows the heights in inches for the boys in a class of students.
The following data set shows the heights in inches for the girls in a class of students.
Construct a box plot using a graphing calculator for each data set, and state which box plot has the wider spread for the middle of the data.
The table shows the number of wins and losses the Atlanta Hawks have had in seasons. Create a side-by-side stem-and-leaf plot of these wins and losses.
Use the following information to answer the next two exercises. Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars.
Construct a box plot below. Use a ruler to measure and scale accurately
What is the IQR?
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