The following table gives the data on the performance of three different detergents at three different water temperatures. The performance was…
BCA Probability & Statistics · 2026 · Solved Question with Answer
The following table gives the data on the performance of three different detergents at three different water temperatures. The performance was obtained on the ‘whiteness’ reading based on specially designed equipment for nine loads of washing:
| Detergent A | Detergent B | Detergent C | |
|---|---|---|---|
| Cold water | 45 | 43 | 55 |
| Warm water | 37 | 40 | 56 |
| Hot water | 42 | 44 | 46 |
Perform a two-way analysis of variance, using the level of significance 0.05.