Chi-square Test Example Problems With Answers Ppt 2021 -

| Cell | O | E | (O-E)²/E | |------|---|---|----------| | M, A |40 |55 | 225/55 = 4.091 | | M, B |60 |45 | 225/45 = 5.0 | | F, A |70 |55 | 225/55 = 4.091 | | F, B |30 |45 | 225/45 = 5.0 |

There is not enough evidence to conclude the die is unfair. The die appears fair. chi-square test example problems with answers ppt

Since 2.5 is less than 5.99, we fail to reject Sam's claim. The slight variation was just a lucky (or unlucky) scoop! | Cell | O | E | (O-E)²/E