Melissa, Jessica, and Laura explored the relationship between grade level and Hot Cheetos preference in this study.

1. Original vs. Baked
Melissa Alvarez
Jessica Huerta
Laura Becerra

2. • Flamin' Hot Cheetos was introduced in 1981
by Frito-Lay

3. • Flamin' Hot Baked Cheetos was introduced in
2006 by Fritos inventor Charles Elmer from
San Antonio, Texas.

4. Grade:
9th 10th 11th 12th
Gender: Male Female
Option: A or B

5. Ho: Gender and Cheetos preference are
independent of each other.
Ha: Gender and type of Hot Cheetos are
not independent of each other.

6. Conditions
• Random
• Independent
• Normal

7. 9th 10th 11th 12th
Original
16 17 6 10 49
(9.6) (16.9) (8.7) (13.7)
Baked 5 20 13 20 58
(11.4) (20.06) (10.3) (16.3)
21 37 19 30 107

8. Chi- Square
2
2 observed expected
expected
2
11.24
Reject Ho
p 0.01
df 3

9. Potential Errors
Two grade levels in one class room
Whispering

10. Original vs. Baked
Melissa Alvarez
Jessica Huerta
Laura Becerra