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Analysis of Tables and Charts Flashcards

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

Read the first 7 Analysis of Tables and Charts flashcards as text

  1. A line graph shows sales rising from $20,000 in January to $50,000 in June, then falling to $35,000 by December. Which statement best describes the trend?

    Answer: Sales peaked mid-year then declined but remained above the starting value

    Sales peaked in June ($50K) then declined to $35K in December, which is still above the January starting point of $20K.

  2. A pie chart shows that Category A = 40%, Category B = 35%, Category C = 15%, and Category D = 10%. If the total is 200 units, how many units does Category B represent?

    Answer: 70 units

    35% of 200 units = 0.35 × 200 = 70 units.

  3. A table shows test scores for four students: Alex 78, Beth 92, Carlos 85, Diana 61. What is the median score?

    Answer: 81.5

    Ordered scores are 61, 78, 85, 92; the median of four values is the average of the two middle values: (78 + 85) / 2 = 81.5.

  4. A bar chart compares four cities' average rainfall. City W = 30mm, City X = 45mm, City Y = 20mm, City Z = 55mm. By approximately what percentage does City Z exceed City Y?

    Answer: 175%

    City Z (55mm) is 175% of City Y (20mm): (55 / 20) × 100 = 275%, meaning it exceeds City Y by 175%.

  5. A scatter plot shows a cluster of points that slopes downward from left to right. What type of correlation does this indicate?

    Answer: Negative correlation

    A downward slope from left to right indicates a negative correlation, meaning as the x-variable increases, the y-variable decreases.

  6. A frequency table shows: Score 1-10 has 5 students, 11-20 has 12 students, 21-30 has 8 students, 31-40 has 3 students. In which interval does the median fall?

    Answer: 11-20

    Total students = 28, so the median falls between the 14th and 15th values; cumulative frequency reaches 17 after the 11-20 interval, which contains both middle values.

  7. A double bar chart compares male and female participation in two sports. Swimming: Male 60, Female 80. Tennis: Male 90, Female 70. Which statement is accurate?

    Answer: Females outnumber males only in swimming

    In swimming, females (80) exceed males (60), but in tennis, males (90) exceed females (70), so females outnumber males only in swimming.