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Melissa, Jessica, and Laura explored the relationship between grade level and Hot Cheetos preference in this study.
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Melissa AlvarezJessica HuertaLaura Becerra
Original vs. Baked
• Flamin' Hot Cheetos was introduced in 1981 by Frito-Lay
• Flamin' Hot Baked Cheetos was introduced in 2006 by Fritos inventor Charles Elmer from San Antonio, Texas.
Grade:9th 10th 11th 12th
Gender: Male FemaleOption: A or B
Ho: Gender and Cheetos preference are independent of each other.
Ha: Gender and type of Hot Cheetos are not independent of each other.
Conditions • Random
• Independent • Normal
16 (9.6)
17(16.9)
6(8.7)
10(13.7)
5(11.4)
20(20.06)
13(10.3)
20(16.3)
Original
Baked
9th 10th 11th 12th
21 37 19 30
49
58
107
Chi- Square 2
2 observed expected
expected
2 11.24
0.01
3
p
df
Reject Ho
Potential ErrorsTwo grade levels in one class room
Whispering
Melissa AlvarezJessica HuertaLaura Becerra
Original vs. Baked
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