Exercises 22.1, page 624

  1. 1.

    Weight Freq. Rel. freq. (%)
    1.0–2.0 1 3.1
    2.0–3.0 8 25
    3.0–4.0 20 62.5
    4.0–5.0 3 9.4
  2. 3. Quantitative

  3. 5. Qualitative

  4. 7.

    A frequency table with vertical bars for Facebook, Instagram, Twitter, Google Plus, Pinterest, and Vine. The bar for Facebook begins at y = 300, and the other bars fall in the shape of a curve with decreasing steepness.
  5. 9. No. The percentages do not add up to 100%.

  6. 11. 40%, 35.5%, 10.3%, 4.4%, 9.9%

  7. 13.

    A pie chart divided into 5 slices: I phone 40.0%, Samsung 35.5%, L G 10.3%, Motorola 4.4%, and Other 9.9%.
  8. 15.

    Range (mi) 141–144 144–147 147–150 150–153 153–156
    f 1 7 9 2 1
  9. 17.

    A frequency histogram with symmetry.
  10. 19.

    Stem Leaf
    5 8
    6 7
    7 68
    8 25669
    9 1233579
    10 113355779
    11 0125
    12 6
  11. 21.

    Apps 50–60 ...

Get Basic Technical Mathematics, 11th Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.