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Math 6

Math 6. Probability and Statistics. A clerk recorded the number of pairs of jeans sold each day at a store. The data are displayed on the stem-and-leaf plot . Which of the following statements is true according to the data in the stem-and-leaf plot?.

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Math 6

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  1. Math 6 Probability and Statistics

  2. A clerk recorded the number of pairs of jeans sold each day at a store. The data are displayed on the stem-and-leaf plot. Which of the following statements is true according to the data in the stem-and-leaf plot? • The number of pairs of jeans sold each day was between 0 and 8. • The stem-and-leaf plot displays 26 days of sales. • The median for the data is 25. • The mode for the data is 25.

  3. What is missing from the box-and-whisker plot? • Median • Range • Upper quartile • Lower quartile

  4. Look at the table. What is the range for the times listed in the table? • 4 min • 9 min • 10 min • 12 min

  5. Look at the table. The songs on Seth’s CD player play randomly. What is the probability that the next song played will be by the artist Sound Off ? • 1/12 • 3/12 • 3/24 • 1/7

  6. Which statement is false? • A set of data always has a mode. • A set of data may have exactly one mode. • A set of data may have more than one mode. • The mode is the piece of data that occurs most frequently.

  7. What is the median for this set of data?{217, 243, 203, 206, 230, 195, 243} • 206 • 217 • 220 • 243

  8. Look at the table. According to the table, what was the median number of customers? • 115 • 126 • 131 • 172

  9. Which is most likely the range for the data plotted in the box-and-whisker plot? • 6 • 14 • 21 • 29

  10. The data below lists the number of pages in each book Harry read last summer. What is the median of the data?225, 157, 144, 312, 281, 276, 166 • 168 • 223 • 225 • 312

  11. According to the table, what is the mean number of students enrolled in a class? • 7 • 10 • 11 • 50

  12. If Mark randomly chooses 1 of these same-sized pastries from the box, what is the probability that it will have a cream cheese filling? • 25% • 30% • 43% • 60%

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