CS Grade 6-8

CS: Data Science: Finding Patterns in Tables and Graphs

Use tables and graphs to spot trends, outliers, and relationships in data

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Use tables and graphs to spot trends, outliers, and relationships in data

CS - Grade 6-8

Instructions: Read each problem carefully. Look for trends, repeated changes, outliers, and relationships. Show your work in the space provided.
  1. 1
    A rising line chart with five points and a walking shoe icon.

    A fitness app records the number of steps taken each day: Monday 4,200, Tuesday 4,800, Wednesday 5,300, Thursday 5,900, Friday 6,400. Describe the pattern in the data.

  2. 2
    An upward trending line graph beside a computer icon.

    A table shows the number of website visitors each hour: 8 AM 12, 9 AM 18, 10 AM 25, 11 AM 33, 12 PM 41. What is the general trend, and what might it mean?

  3. 3
    A bar chart with one much taller bar showing an outlier in recycled bottles.

    A class tracked the number of recycled bottles collected each week: Week 1 40, Week 2 42, Week 3 39, Week 4 95, Week 5 43. Which value looks like an outlier, and why?

  4. 4
    Four bars increase evenly next to a game controller icon.

    A game records a player's score after each level: Level 1 120, Level 2 240, Level 3 360, Level 4 480. If the pattern continues, what will the score be after Level 5?

  5. 5
    A downward sloping line graph with a thermometer icon.

    A line graph shows the temperature at noon over five days: Monday 70°F, Tuesday 68°F, Wednesday 65°F, Thursday 62°F, Friday 60°F. Describe the trend shown by the graph.

  6. 6
    An upward trending scatter plot with a notebook and pencil.

    A data table shows how long students studied and their quiz scores: 10 minutes 62, 20 minutes 70, 30 minutes 78, 40 minutes 86, 50 minutes 94. What relationship do you notice?

  7. 7
    A downward trending scatter plot showing a negative relationship.

    A scatter plot compares hours of video game play per week and hours of sleep per night. Most points show that students who play more hours tend to sleep fewer hours. What type of relationship is this?

  8. 8
    A bar chart comparing four lunch choices using food icons.

    A school cafeteria records lunch choices for one day: Pizza 85, Tacos 60, Salad 25, Sandwich 45. Which graph type would best compare the number of students choosing each lunch, and why?

  9. 9
    Four bars double in height next to a smartphone download icon.

    A table shows daily app downloads: Day 1 15, Day 2 30, Day 3 60, Day 4 120. Describe the pattern and predict Day 5.

  10. 10
    A rainfall bar chart with one day much higher than the others.

    A weather dataset lists rainfall in inches: Monday 0.0, Tuesday 0.1, Wednesday 1.8, Thursday 0.0, Friday 0.2. Which day had the most rainfall, and how does it compare to the rest of the week?

  11. 11

    A data scientist finds this pattern in a table: 3, 6, 9, 12, 15. What rule describes the pattern?

  12. 12
    Two website designs compared, with the second showing more sign-ups.

    A website tests two homepage designs. Design A gets 200 visits and 40 sign-ups. Design B gets 200 visits and 60 sign-ups. Which design performed better, and what evidence supports your answer?

  13. 13
    A mostly increasing line chart with a small dip and a stack of books.

    A chart shows the number of books checked out from a library by month: January 120, February 125, March 130, April 128, May 132. What pattern do you notice?

  14. 14
    A robot shown at evenly spaced positions moving steadily away from a start point.

    A table tracks a robot's distance from its starting point every second: 0 seconds 0 meters, 1 second 2 meters, 2 seconds 4 meters, 3 seconds 6 meters, 4 seconds 8 meters. What does this pattern tell you about the robot's movement?

  15. 15

    A data table has a missing value: Week 1 5 points, Week 2 10 points, Week 3 15 points, Week 4 blank, Week 5 25 points. What is the most likely missing value, and how do you know?

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