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