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Data Interpretation and Graphs Flashcards

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

Read the first 7 Data Interpretation and Graphs flashcards as text

  1. A line graph tracks a company's monthly profit from January through June. The line goes down from April to May. What does a downward slope between two points on a line graph mean?

    Answer: The value decreased

    A downward slope means the quantity on the y-axis decreased from one point to the next.

  2. A stacked bar graph shows the number of male and female employees in three departments. The HR bar is 60 units tall: the male segment is 25 units. How many female employees are in HR?

    Answer: 35

    Female employees = total bar height − male segment = 60 − 25 = 35.

  3. A data set has the values: 10, 15, 15, 20, 100. Which measure of central tendency is most affected by the outlier 100?

    Answer: Mean

    The mean adds all values including the outlier before dividing, so extreme values pull it up or down significantly.

  4. A pie chart shows transportation preferences for 200 surveyed students. The 'Bus' slice is 25%. How many students prefer the bus?

    Answer: 50

    25% of 200 = 0.25 × 200 = 50 students.

  5. A bar graph shows the number of books read by students in a class. The bars for Mon–Fri show: 5, 8, 6, 9, 7. What is the median number of books read?

    Answer: 7

    Arranging in order: 5, 6, 7, 8, 9 — the middle value (median) is 7.

  6. A scatter plot has no clear pattern — the points are scattered randomly in all directions. What does this suggest about the two variables?

    Answer: Little or no correlation

    When points show no discernible trend, there is little or no correlation between the two variables.

  7. A frequency table shows test score ranges and the number of students in each range. The range 80–89 has a frequency of 12 out of 40 total students. What percentage of students scored in the 80–89 range?

    Answer: 30%

    12 ÷ 40 = 0.30 = 30%.