Manufacturers are testing a die to make sure that it is fair (has a uniform distribution). They roll the die 54 times and record the outcomes in the table below. Find the test statistic, ?20, for the chi-square goodness-of-fit test. Round the final answer to three decimal places.
?20=?k(O?E)2E
Outcome |
1 |
2 |
3 |
4 |
5 |
6 |
Expected |
9 |
9 |
9 |
9 |
9 |
9 |
Observed |
7 |
7 |
13 |
9 |
10 |
8 |