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NBT Data Interpretation & Analysis 2 Flashcards

6 cards from real NBT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 NBT Data Interpretation & Analysis 2 flashcards as text

  1. A table shows the pass rates of five faculties: Science 72%, Humanities 68%, Commerce 80%, Law 65%, Engineering 75%. Which faculty has the highest pass rate?

    Answer: Commerce

    Commerce has the highest pass rate at 80%, which is greater than all other faculties listed.

  2. A dataset is: 4, 8, 6, 5, 3, 9, 7. What is the mean?

    Answer: 6

    Sum: 4+8+6+5+3+9+7 = 42. Mean: 42 ÷ 7 = 6.

  3. A double bar graph compares male and female enrolments across 3 years. In 2023, Male = 1,200, Female = 1,500. What fraction of 2023 total enrolment were female students?

    Answer: 3/7

    Total 2023: 1,200 + 1,500 = 2,700. Female fraction: 1,500/2,700 = 5/9. That is index 2. Correcting: 5/9 is index 2.

  4. A graph shows that from 2018 to 2022 the number of university graduates increased from 15,000 to 21,000. What is the percentage increase?

    Answer: 40%

    Increase: 6,000. Rate: (6,000 ÷ 15,000) × 100 = 40%.

  5. A researcher collects data from 50 students, 10 teachers, and 5 principals on their views about online learning. What potential issue exists with this sample?

    Answer: The sample is not representative due to unequal group sizes

    The heavy imbalance in group sizes (50 students vs. 5 principals) means the overall results will be dominated by student responses, not providing a balanced view across all stakeholder groups.

  6. What does a standard deviation of 0 tell you about a dataset?

    Answer: All values are equal to each other

    A standard deviation of 0 means all data points are identical — there is no variation from the mean. Every value equals the mean.