Do you know what we need as statistic instructors? A) More chi-square examples that are b) rooted in Taco Bell condiments and c) are null. So here you go, as inspired by this tweet:
This data did not achieve statistical significance, X^2 (3, N = 32) = 0.33, p = 0.95. The data suggests that these Taco Bell packets are randomly distributed.
If you do this analysis by hand, here is your data: Diablo = 8, Hot = 9, Fire = 7, Mild = 9.
If you do this analysis via software, here is the .csv version of the data, here is the .jasp version of the data, and here is a version of the data you can just copy and paste.
| Sauce |
| Diablo |
| Diablo |
| Diablo |
| Diablo |
| Diablo |
| Diablo |
| Diablo |
| Diablo |
| Fire |
| Fire |
| Fire |
| Fire |
| Fire |
| Fire |
| Fire |
| Fire |
| Fire |
| Hot |
| Hot |
| Hot |
| Hot |
| Hot |
| Hot |
| Hot |
| Mild |
| Mild |
| Mild |
| Mild |
| Mild |
| Mild |
| Mild |
| Mild |
| Mild |
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