WHAT'S INCLUDED:

• Google Classroom
• Task Card
• 6 Jobs/ Professions where this Math is used or can be used.

This lesson is aligned with TEKS 2012 - 6th Grade Mathematics.

• TEKS Math 6.13B: Distinguish between situations that yield data with and without variability.

Task Card Sizes: Prints in 8.5 x 11

• (1 in 1 page)
• (2 in 1 page)
• (4 in 1 page)
• (6 in 1 page)

24 Questions:

1. What kind of data is shown in the chart?
2. What type of data would you get from measuring the volume of these bottles?
3. If a bus leaves at 3:00 PM daily, the departure time will create…
4. A bus driver records the number of passengers per day. These recorded numbers show…
5. During lunch, a school nutritionist observes what students choose to eat. The students select different foods such as salad, pizza, sandwiches, and pasta. Will the lunch choices of students show variability?
6. A food factory fills cans of beans to exactly 16 ounces. Each unopened can is supposed to have the same weight because machines control the amount very carefully. Will the recorded weight of these unopened 16 oz cans show variability?
7. A school cafeteria records how much four students spent on lunch yesterday:
   Based on the data, what can be concluded?
8. A digital outdoor sensor recorded temperatures every hour:
   What is true about this situation?
9. A school vending machine sells bottled water for $1.25 every day. A student buys water on 5 different days. How much does the student spend, and does the situation show variability?
10. A teacher records the number of minutes students spend reading. What is the mean, and does this situation show variability?
11. A runner records their mile times over four days: 7.5 min, 8.2 min, 7.9 min, 8.1 min.
    How much slower was the runner’s slowest mile compared to their fastest mile, and does this situation show variability?
12. A runner tracks the time for four sprints: 12.4 s, 11.9 s, 12.1 s, 12.0 s. How much time is between the fastest and slowest sprint?
13. A class compares the Phoenix weekly outdoor temperature graph to the school’s indoor thermostat, which stays at 65°F. Which dataset shows greater variability and why?
14. The cafeteria manager reviews two bar graphs:
    • Graph A: Lunch counts = 300 every day
    • Graph B: Lunch counts range 275–340
    Why does Graph B show variability while Graph A does not?
15. A radar gun records driver speeds: 62, 70, 66, 73 mph. The posted speed limit is 65 mph.
    What is the best explanation for the variability in the recorded speeds?
16. For a special event, all stadium seats are priced at $40. Hundreds of fans buy tickets.
    Why does this situation show no variability?
17. A 6th-grade class tracked the exact bus arrival times for one week. The teacher also showed them the school policy stating that school always starts at 8:30 AM. Students must decide which data has variability and explain why. Which conclusion shows the strongest reasoning?
18. During basketball practice, the coach records each free throw a player takes to check for consistency. The player shoots five times and the results are: Make, Make, Miss, Make, Miss. The coach wants students to analyze whether this data shows variability.
    Which explanation shows the strongest reasoning?
19. A meteorologist compares Houston temperatures across 7 days to the temperature of a freezer kept at 0°F all week. Which has no variability?
20. A factory engineer compares machines. Which machine shows variable data?
21. A nurse records patient heart rates in two rooms. Which room shows no variability?
22. A shop manager reviews each mechanic’s work records to check whether their oil change times stay the same for every customer or change depending on the job. Which mechanic shows oil change times that are not the same for every customer?
23. A principal compares two classes to check whether any class has the same number of students present each day of the week. Which class has attendance that stays the same every day?
24. A farmer measures corn plants in two different rows to check which rows have plants growing at different heights. Which row shows plant heights that are not all the same?