Mixed Data: Test 2

10 questions · 15 minutes · scoring and calculator rules shown before you begin

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Mixed Data Test 2: questions and answers

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  1. Study the table and answer the questions. Export of tea (in thousand tonnes) by four firms over five years.

    Question data
    Firm20182019202020212022
    A8055808560
    B9080906090
    C7050656565
    D4575355025
    1. What is the total export of firm B over the five years?
    1. 420
    2. 425
    3. 410
    4. 400

    Reference: q-d37ddd9d-628 · Report this question

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    Answer: C. 410

    90 + 80 + 90 + 60 + 90 = 410.
  2. 2. What is the average export per year of firm D?
    1. 57.5
    2. 49
    3. 46
    4. 48

    Reference: q-c51b1e97-619 · Report this question

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    Answer: C. 46

    Total = 230. Average = 230 / 5 = 46.
  3. 3. What is the ratio of the export of firm A in 2022 to that in 2021?
    1. 13 : 17
    2. 2 : 3
    3. 17 : 12
    4. 12 : 17

    Reference: q-7a9f022d-639 · Report this question

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    Answer: D. 12 : 17

    60 : 85 = 12 : 17.
  4. 4. By what percent did the export of firm C increase from 2019 to 2022?
    1. 35%
    2. 40%
    3. 30%
    4. 25%

    Reference: q-2210a0b-641 · Report this question

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    Answer: C. 30%

    Increase = 65 − 50 = 15. Percentage = 15 / 50 × 100 = 30%.
  5. 5. In which year was the total export of all four firms the highest?
    1. 2021
    2. 2020
    3. 2018
    4. 2022

    Reference: q-d0e87869-638 · Report this question

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    Answer: C. 2018

    Yearly totals: 2018 = 285, 2019 = 260, 2020 = 270, 2021 = 260, 2022 = 240. The highest is in 2018.

  6. Study the table and answer the questions. Production of cars (in thousands) by four companies over five years.

    Question data
    Company20172018201920202021
    A6540854065
    B6585407055
    C4575555590
    D5070709080
    6. What is the total production of company D over the five years?
    1. 375
    2. 345
    3. 360
    4. 350

    Reference: q-46a2c86a-641 · Report this question

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    Answer: C. 360

    50 + 70 + 70 + 90 + 80 = 360.
  7. 7. What is the average production per year of company B?
    1. 60
    2. 61
    3. 78.75
    4. 63

    Reference: q-82115ed2-632 · Report this question

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    Answer: D. 63

    Total = 315. Average = 315 / 5 = 63.
  8. 8. What is the ratio of the production of company B in 2019 to that in 2018?
    1. 17 : 8
    2. 4 : 9
    3. 9 : 17
    4. 8 : 17

    Reference: q-416dd8b5-652 · Report this question

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    Answer: D. 8 : 17

    40 : 85 = 8 : 17.
  9. 9. By what percent did the production of company C increase from 2018 to 2021?
    1. 20%
    2. 5%
    3. 15%
    4. 30%

    Reference: q-65f24ce4-654 · Report this question

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    Answer: A. 20%

    Increase = 90 − 75 = 15. Percentage = 15 / 75 × 100 = 20%.
  10. 10. In which year was the total production of all four companies the highest?
    1. 2021
    2. 2020
    3. 2018
    4. 2017

    Reference: q-8f8133d-652 · Report this question

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    Answer: A. 2021

    Yearly totals: 2017 = 225, 2018 = 270, 2019 = 250, 2020 = 255, 2021 = 290. The highest is in 2021.

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